22631920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3581}}^1$

素因数の和:3673

約数の個数: 40

約数和(自身を含む): 53300160

約数和(自身を除く): 30668240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 3581, 6320, 7162, 14324, 17905, 28648, 35810, 57296, 71620, 143240, 282899, 286480, 565798, 1131596, 1414495, 2263192, 2828990, 4526384, 5657980, 11315960, 22631920]

約数ペア:

[(1, 22631920), (2, 11315960), (4, 5657980), (5, 4526384), (8, 2828990), (10, 2263192), (16, 1414495), (20, 1131596), (40, 565798), (79, 286480), (80, 282899), (158, 143240), (316, 71620), (395, 57296), (632, 35810), (790, 28648), (1264, 17905), (1580, 14324), (3160, 7162), (3581, 6320)]