31422640

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7411}}^1$

素因数の和:7477

約数の個数: 40

約数和(自身を含む): 74446128

約数和(自身を除く): 43023488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 7411, 14822, 29644, 37055, 59288, 74110, 118576, 148220, 296440, 392783, 592880, 785566, 1571132, 1963915, 3142264, 3927830, 6284528, 7855660, 15711320, 31422640]

約数ペア:

[(1, 31422640), (2, 15711320), (4, 7855660), (5, 6284528), (8, 3927830), (10, 3142264), (16, 1963915), (20, 1571132), (40, 785566), (53, 592880), (80, 392783), (106, 296440), (212, 148220), (265, 118576), (424, 74110), (530, 59288), (848, 37055), (1060, 29644), (2120, 14822), (4240, 7411)]