71635840

素因数分解:

$2^7\times 5^1\times {\mathrm{173}}^1\times {\mathrm{647}}^1$

素因数の和:839

約数の個数: 64

約数和(自身を含む): 172510560

約数和(自身を除く): 100874720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 320, 346, 640, 647, 692, 865, 1294, 1384, 1730, 2588, 2768, 3235, 3460, 5176, 5536, 6470, 6920, 10352, 11072, 12940, 13840, 20704, 22144, 25880, 27680, 41408, 51760, 55360, 82816, 103520, 110720, 111931, 207040, 223862, 414080, 447724, 559655, 895448, 1119310, 1790896, 2238620, 3581792, 4477240, 7163584, 8954480, 14327168, 17908960, 35817920, 71635840]

約数ペア:

[(1, 71635840), (2, 35817920), (4, 17908960), (5, 14327168), (8, 8954480), (10, 7163584), (16, 4477240), (20, 3581792), (32, 2238620), (40, 1790896), (64, 1119310), (80, 895448), (128, 559655), (160, 447724), (173, 414080), (320, 223862), (346, 207040), (640, 111931), (647, 110720), (692, 103520), (865, 82816), (1294, 55360), (1384, 51760), (1730, 41408), (2588, 27680), (2768, 25880), (3235, 22144), (3460, 20704), (5176, 13840), (5536, 12940), (6470, 11072), (6920, 10352)]