81870112000

素因数分解:

$2^8\times 5^3\times {\mathrm{41}}^1\times {\mathrm{62401}}^1$

素因数の和:62473

約数の個数: 144

約数和(自身を含む): 208926388944

約数和(自身を除く): 127056276944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 125, 128, 160, 164, 200, 205, 250, 256, 320, 328, 400, 410, 500, 640, 656, 800, 820, 1000, 1025, 1280, 1312, 1600, 1640, 2000, 2050, 2624, 3200, 3280, 4000, 4100, 5125, 5248, 6400, 6560, 8000, 8200, 10250, 10496, 13120, 16000, 16400, 20500, 26240, 32000, 32800, 41000, 52480, 62401, 65600, 82000, 124802, 131200, 164000, 249604, 262400, 312005, 328000, 499208, 624010, 656000, 998416, 1248020, 1312000, 1560025, 1996832, 2496040, 2558441, 3120050, 3993664, 4992080, 5116882, 6240100, 7800125, 7987328, 9984160, 10233764, 12480200, 12792205, 15600250, 15974656, 19968320, 20467528, 24960400, 25584410, 31200500, 39936640, 40935056, 49920800, 51168820, 62401000, 63961025, 79873280, 81870112, 99841600, 102337640, 124802000, 127922050, 163740224, 199683200, 204675280, 249604000, 255844100, 319805125, 327480448, 399366400, 409350560, 499208000, 511688200, 639610250, 654960896, 818701120, 998416000, 1023376400, 1279220500, 1637402240, 1996832000, 2046752800, 2558441000, 3274804480, 4093505600, 5116882000, 8187011200, 10233764000, 16374022400, 20467528000, 40935056000, 81870112000]

約数ペア:

[(1, 81870112000), (2, 40935056000), (4, 20467528000), (5, 16374022400), (8, 10233764000), (10, 8187011200), (16, 5116882000), (20, 4093505600), (25, 3274804480), (32, 2558441000), (40, 2046752800), (41, 1996832000), (50, 1637402240), (64, 1279220500), (80, 1023376400), (82, 998416000), (100, 818701120), (125, 654960896), (128, 639610250), (160, 511688200), (164, 499208000), (200, 409350560), (205, 399366400), (250, 327480448), (256, 319805125), (320, 255844100), (328, 249604000), (400, 204675280), (410, 199683200), (500, 163740224), (640, 127922050), (656, 124802000), (800, 102337640), (820, 99841600), (1000, 81870112), (1025, 79873280), (1280, 63961025), (1312, 62401000), (1600, 51168820), (1640, 49920800), (2000, 40935056), (2050, 39936640), (2624, 31200500), (3200, 25584410), (3280, 24960400), (4000, 20467528), (4100, 19968320), (5125, 15974656), (5248, 15600250), (6400, 12792205), (6560, 12480200), (8000, 10233764), (8200, 9984160), (10250, 7987328), (10496, 7800125), (13120, 6240100), (16000, 5116882), (16400, 4992080), (20500, 3993664), (26240, 3120050), (32000, 2558441), (32800, 2496040), (41000, 1996832), (52480, 1560025), (62401, 1312000), (65600, 1248020), (82000, 998416), (124802, 656000), (131200, 624010), (164000, 499208), (249604, 328000), (262400, 312005)]