77254640

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2767}}^1$

素因数の和:3129

約数の個数: 40

約数和(自身を含む): 180196800

約数和(自身を除く): 102942160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1396, 1745, 2767, 2792, 3490, 5534, 5584, 6980, 11068, 13835, 13960, 22136, 27670, 27920, 44272, 55340, 110680, 221360, 965683, 1931366, 3862732, 4828415, 7725464, 9656830, 15450928, 19313660, 38627320, 77254640]

約数ペア:

[(1, 77254640), (2, 38627320), (4, 19313660), (5, 15450928), (8, 9656830), (10, 7725464), (16, 4828415), (20, 3862732), (40, 1931366), (80, 965683), (349, 221360), (698, 110680), (1396, 55340), (1745, 44272), (2767, 27920), (2792, 27670), (3490, 22136), (5534, 13960), (5584, 13835), (6980, 11068)]