31095160

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10949}}^1$

素因数の和:11031

約数の個数: 32

約数和(自身を含む): 70956000

約数和(自身を除く): 39860840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 10949, 21898, 43796, 54745, 87592, 109490, 218980, 437960, 777379, 1554758, 3109516, 3886895, 6219032, 7773790, 15547580, 31095160]

約数ペア:

[(1, 31095160), (2, 15547580), (4, 7773790), (5, 6219032), (8, 3886895), (10, 3109516), (20, 1554758), (40, 777379), (71, 437960), (142, 218980), (284, 109490), (355, 87592), (568, 54745), (710, 43796), (1420, 21898), (2840, 10949)]