207783680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12487}}^1$

素因数の和:12521

約数の個数: 72

約数和(自身を含む): 536034912

約数和(自身を除く): 328251232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 12487, 16640, 24974, 49948, 62435, 99896, 124870, 162331, 199792, 249740, 324662, 399584, 499480, 649324, 799168, 811655, 998960, 1298648, 1598336, 1623310, 1997920, 2597296, 3196672, 3246620, 3995840, 5194592, 6493240, 7991680, 10389184, 12986480, 15983360, 20778368, 25972960, 41556736, 51945920, 103891840, 207783680]

約数ペア:

[(1, 207783680), (2, 103891840), (4, 51945920), (5, 41556736), (8, 25972960), (10, 20778368), (13, 15983360), (16, 12986480), (20, 10389184), (26, 7991680), (32, 6493240), (40, 5194592), (52, 3995840), (64, 3246620), (65, 3196672), (80, 2597296), (104, 1997920), (128, 1623310), (130, 1598336), (160, 1298648), (208, 998960), (256, 811655), (260, 799168), (320, 649324), (416, 499480), (520, 399584), (640, 324662), (832, 249740), (1040, 199792), (1280, 162331), (1664, 124870), (2080, 99896), (3328, 62435), (4160, 49948), (8320, 24974), (12487, 16640)]