25972960

素因数分解:

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

素因数の和:12515

約数の個数: 48

約数和(自身を含む): 66086496

約数和(自身を除く): 40113536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 12487, 24974, 49948, 62435, 99896, 124870, 162331, 199792, 249740, 324662, 399584, 499480, 649324, 811655, 998960, 1298648, 1623310, 1997920, 2597296, 3246620, 5194592, 6493240, 12986480, 25972960]

約数ペア:

[(1, 25972960), (2, 12986480), (4, 6493240), (5, 5194592), (8, 3246620), (10, 2597296), (13, 1997920), (16, 1623310), (20, 1298648), (26, 998960), (32, 811655), (40, 649324), (52, 499480), (65, 399584), (80, 324662), (104, 249740), (130, 199792), (160, 162331), (208, 124870), (260, 99896), (416, 62435), (520, 49948), (1040, 24974), (2080, 12487)]