31882640

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2909}}^1$

素因数の和:3059

約数の個数: 40

約数和(自身を含む): 74693880

約数和(自身を除く): 42811240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 2909, 5480, 5818, 10960, 11636, 14545, 23272, 29090, 46544, 58180, 116360, 232720, 398533, 797066, 1594132, 1992665, 3188264, 3985330, 6376528, 7970660, 15941320, 31882640]

約数ペア:

[(1, 31882640), (2, 15941320), (4, 7970660), (5, 6376528), (8, 3985330), (10, 3188264), (16, 1992665), (20, 1594132), (40, 797066), (80, 398533), (137, 232720), (274, 116360), (548, 58180), (685, 46544), (1096, 29090), (1370, 23272), (2192, 14545), (2740, 11636), (2909, 10960), (5480, 5818)]