31808620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{38791}}^1$

素因数の和:38841

約数の個数: 24

約数和(自身を含む): 68429088

約数和(自身を除く): 36620468

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 38791, 77582, 155164, 193955, 387910, 775820, 1590431, 3180862, 6361724, 7952155, 15904310, 31808620]

約数ペア:

[(1, 31808620), (2, 15904310), (4, 7952155), (5, 6361724), (10, 3180862), (20, 1590431), (41, 775820), (82, 387910), (164, 193955), (205, 155164), (410, 77582), (820, 38791)]