64940249090

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{32633291}}^1$

素因数の和:32633497

約数の個数: 16

約数和(自身を含む): 117479851200

約数和(自身を除く): 52539602110

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 32633291, 65266582, 163166455, 326332910, 6494024909, 12988049818, 32470124545, 64940249090]

約数ペア:

[(1, 64940249090), (2, 32470124545), (5, 12988049818), (10, 6494024909), (199, 326332910), (398, 163166455), (995, 65266582), (1990, 32633291)]