40194800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:315

約数の個数: 120

約数和(自身を含む): 107109216

約数和(自身を除く): 66914416

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 25, 34, 40, 46, 50, 68, 80, 85, 92, 100, 115, 136, 170, 184, 200, 230, 257, 272, 340, 368, 391, 400, 425, 460, 514, 575, 680, 782, 850, 920, 1028, 1150, 1285, 1360, 1564, 1700, 1840, 1955, 2056, 2300, 2570, 3128, 3400, 3910, 4112, 4369, 4600, 5140, 5911, 6256, 6425, 6800, 7820, 8738, 9200, 9775, 10280, 11822, 12850, 15640, 17476, 19550, 20560, 21845, 23644, 25700, 29555, 31280, 34952, 39100, 43690, 47288, 51400, 59110, 69904, 78200, 87380, 94576, 100487, 102800, 109225, 118220, 147775, 156400, 174760, 200974, 218450, 236440, 295550, 349520, 401948, 436900, 472880, 502435, 591100, 803896, 873800, 1004870, 1182200, 1607792, 1747600, 2009740, 2364400, 2512175, 4019480, 5024350, 8038960, 10048700, 20097400, 40194800]

約数ペア:

[(1, 40194800), (2, 20097400), (4, 10048700), (5, 8038960), (8, 5024350), (10, 4019480), (16, 2512175), (17, 2364400), (20, 2009740), (23, 1747600), (25, 1607792), (34, 1182200), (40, 1004870), (46, 873800), (50, 803896), (68, 591100), (80, 502435), (85, 472880), (92, 436900), (100, 401948), (115, 349520), (136, 295550), (170, 236440), (184, 218450), (200, 200974), (230, 174760), (257, 156400), (272, 147775), (340, 118220), (368, 109225), (391, 102800), (400, 100487), (425, 94576), (460, 87380), (514, 78200), (575, 69904), (680, 59110), (782, 51400), (850, 47288), (920, 43690), (1028, 39100), (1150, 34952), (1285, 31280), (1360, 29555), (1564, 25700), (1700, 23644), (1840, 21845), (1955, 20560), (2056, 19550), (2300, 17476), (2570, 15640), (3128, 12850), (3400, 11822), (3910, 10280), (4112, 9775), (4369, 9200), (4600, 8738), (5140, 7820), (5911, 6800), (6256, 6425)]