15667597040

素因数分解:

$2^4\times 5^1\times {\mathrm{20023}}^1\times {\mathrm{9781}}^1$

素因数の和:29817

約数の個数: 40

約数和(自身を含む): 36432706848

約数和(自身を除く): 20765109808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9781, 19562, 20023, 39124, 40046, 48905, 78248, 80092, 97810, 100115, 156496, 160184, 195620, 200230, 320368, 391240, 400460, 782480, 800920, 1601840, 195844963, 391689926, 783379852, 979224815, 1566759704, 1958449630, 3133519408, 3916899260, 7833798520, 15667597040]

約数ペア:

[(1, 15667597040), (2, 7833798520), (4, 3916899260), (5, 3133519408), (8, 1958449630), (10, 1566759704), (16, 979224815), (20, 783379852), (40, 391689926), (80, 195844963), (9781, 1601840), (19562, 800920), (20023, 782480), (39124, 400460), (40046, 391240), (48905, 320368), (78248, 200230), (80092, 195620), (97810, 160184), (100115, 156496)]