71337620

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{4409}}^1$

素因数の和:5227

約数の個数: 24

約数和(自身を含む): 150028200

約数和(自身を除く): 78690580

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 4409, 8090, 8818, 16180, 17636, 22045, 44090, 88180, 3566881, 7133762, 14267524, 17834405, 35668810, 71337620]

約数ペア:

[(1, 71337620), (2, 35668810), (4, 17834405), (5, 14267524), (10, 7133762), (20, 3566881), (809, 88180), (1618, 44090), (3236, 22045), (4045, 17636), (4409, 16180), (8090, 8818)]