129420320

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47581}}^1$

素因数の和:47613

約数の個数: 48

約数和(自身を含む): 323747928

約数和(自身を除く): 194327608

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 47581, 95162, 190324, 237905, 380648, 475810, 761296, 808877, 951620, 1522592, 1617754, 1903240, 3235508, 3806480, 4044385, 6471016, 7612960, 8088770, 12942032, 16177540, 25884064, 32355080, 64710160, 129420320]

約数ペア:

[(1, 129420320), (2, 64710160), (4, 32355080), (5, 25884064), (8, 16177540), (10, 12942032), (16, 8088770), (17, 7612960), (20, 6471016), (32, 4044385), (34, 3806480), (40, 3235508), (68, 1903240), (80, 1617754), (85, 1522592), (136, 951620), (160, 808877), (170, 761296), (272, 475810), (340, 380648), (544, 237905), (680, 190324), (1360, 95162), (2720, 47581)]