875680

素因数分解:

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

素因数の和:449

約数の個数: 48

約数和(自身を含む): 2233224

約数和(自身を除く): 1357544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 421, 520, 842, 1040, 1684, 2080, 2105, 3368, 4210, 5473, 6736, 8420, 10946, 13472, 16840, 21892, 27365, 33680, 43784, 54730, 67360, 87568, 109460, 175136, 218920, 437840, 875680]

約数ペア:

[(1, 875680), (2, 437840), (4, 218920), (5, 175136), (8, 109460), (10, 87568), (13, 67360), (16, 54730), (20, 43784), (26, 33680), (32, 27365), (40, 21892), (52, 16840), (65, 13472), (80, 10946), (104, 8420), (130, 6736), (160, 5473), (208, 4210), (260, 3368), (416, 2105), (421, 2080), (520, 1684), (842, 1040)]