31322440

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{2767}}^1$

素因数の和:3061

約数の個数: 32

約数和(自身を含む): 70750080

約数和(自身を除く): 39427640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2767, 2830, 5534, 5660, 11068, 11320, 13835, 22136, 27670, 55340, 110680, 783061, 1566122, 3132244, 3915305, 6264488, 7830610, 15661220, 31322440]

約数ペア:

[(1, 31322440), (2, 15661220), (4, 7830610), (5, 6264488), (8, 3915305), (10, 3132244), (20, 1566122), (40, 783061), (283, 110680), (566, 55340), (1132, 27670), (1415, 22136), (2264, 13835), (2767, 11320), (2830, 11068), (5534, 5660)]