85317140

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{5273}}^1$

素因数の和:6091

約数の個数: 24

約数和(自身を含む): 179421480

約数和(自身を除く): 94104340

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 5273, 8090, 10546, 16180, 21092, 26365, 52730, 105460, 4265857, 8531714, 17063428, 21329285, 42658570, 85317140]

約数ペア:

[(1, 85317140), (2, 42658570), (4, 21329285), (5, 17063428), (10, 8531714), (20, 4265857), (809, 105460), (1618, 52730), (3236, 26365), (4045, 21092), (5273, 16180), (8090, 10546)]