8756800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:456

約数の個数: 84

約数和(自身を含む): 23259796

約数和(自身を除く): 14502996

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 200, 208, 260, 320, 325, 400, 416, 421, 520, 650, 800, 832, 842, 1040, 1300, 1600, 1684, 2080, 2105, 2600, 3368, 4160, 4210, 5200, 5473, 6736, 8420, 10400, 10525, 10946, 13472, 16840, 20800, 21050, 21892, 26944, 27365, 33680, 42100, 43784, 54730, 67360, 84200, 87568, 109460, 134720, 136825, 168400, 175136, 218920, 273650, 336800, 350272, 437840, 547300, 673600, 875680, 1094600, 1751360, 2189200, 4378400, 8756800]

約数ペア:

[(1, 8756800), (2, 4378400), (4, 2189200), (5, 1751360), (8, 1094600), (10, 875680), (13, 673600), (16, 547300), (20, 437840), (25, 350272), (26, 336800), (32, 273650), (40, 218920), (50, 175136), (52, 168400), (64, 136825), (65, 134720), (80, 109460), (100, 87568), (104, 84200), (130, 67360), (160, 54730), (200, 43784), (208, 42100), (260, 33680), (320, 27365), (325, 26944), (400, 21892), (416, 21050), (421, 20800), (520, 16840), (650, 13472), (800, 10946), (832, 10525), (842, 10400), (1040, 8420), (1300, 6736), (1600, 5473), (1684, 5200), (2080, 4210), (2105, 4160), (2600, 3368)]