31585710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80989}}^1$

素因数の和:81012

約数の個数: 32

約数和(自身を含む): 81637920

約数和(自身を除く): 50052210

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 80989, 161978, 242967, 404945, 485934, 809890, 1052857, 1214835, 2105714, 2429670, 3158571, 5264285, 6317142, 10528570, 15792855, 31585710]

約数ペア:

[(1, 31585710), (2, 15792855), (3, 10528570), (5, 6317142), (6, 5264285), (10, 3158571), (13, 2429670), (15, 2105714), (26, 1214835), (30, 1052857), (39, 809890), (65, 485934), (78, 404945), (130, 242967), (195, 161978), (390, 80989)]