66425840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2777}}^1$

素因数の和:2826

約数の個数: 80

約数和(自身を含む): 173613888

約数和(自身を除く): 107188048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2777, 2990, 4784, 5554, 5980, 11108, 11960, 13885, 22216, 23920, 27770, 36101, 44432, 55540, 63871, 72202, 111080, 127742, 144404, 180505, 222160, 255484, 288808, 319355, 361010, 510968, 577616, 638710, 722020, 830323, 1021936, 1277420, 1444040, 1660646, 2554840, 2888080, 3321292, 4151615, 5109680, 6642584, 8303230, 13285168, 16606460, 33212920, 66425840]

約数ペア:

[(1, 66425840), (2, 33212920), (4, 16606460), (5, 13285168), (8, 8303230), (10, 6642584), (13, 5109680), (16, 4151615), (20, 3321292), (23, 2888080), (26, 2554840), (40, 1660646), (46, 1444040), (52, 1277420), (65, 1021936), (80, 830323), (92, 722020), (104, 638710), (115, 577616), (130, 510968), (184, 361010), (208, 319355), (230, 288808), (260, 255484), (299, 222160), (368, 180505), (460, 144404), (520, 127742), (598, 111080), (920, 72202), (1040, 63871), (1196, 55540), (1495, 44432), (1840, 36101), (2392, 27770), (2777, 23920), (2990, 22216), (4784, 13885), (5554, 11960), (5980, 11108)]