89525140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2539}}^1$

素因数の和:2632

約数の個数: 48

約数和(自身を含む): 197144640

約数和(自身を除く): 107619500

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 2539, 3526, 5078, 7052, 8815, 10156, 12695, 17630, 25390, 35260, 50780, 104099, 109177, 208198, 218354, 416396, 436708, 520495, 545885, 1040990, 1091770, 2081980, 2183540, 4476257, 8952514, 17905028, 22381285, 44762570, 89525140]

約数ペア:

[(1, 89525140), (2, 44762570), (4, 22381285), (5, 17905028), (10, 8952514), (20, 4476257), (41, 2183540), (43, 2081980), (82, 1091770), (86, 1040990), (164, 545885), (172, 520495), (205, 436708), (215, 416396), (410, 218354), (430, 208198), (820, 109177), (860, 104099), (1763, 50780), (2539, 35260), (3526, 25390), (5078, 17630), (7052, 12695), (8815, 10156)]