81272050

素因数分解:

$2^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{10909}}^1$

素因数の和:11070

約数の個数: 24

約数和(自身を含む): 152194500

約数和(自身を除く): 70922450

約数列:

[1, 2, 5, 10, 25, 50, 149, 298, 745, 1490, 3725, 7450, 10909, 21818, 54545, 109090, 272725, 545450, 1625441, 3250882, 8127205, 16254410, 40636025, 81272050]

約数ペア:

[(1, 81272050), (2, 40636025), (5, 16254410), (10, 8127205), (25, 3250882), (50, 1625441), (149, 545450), (298, 272725), (745, 109090), (1490, 54545), (3725, 21818), (7450, 10909)]