71865140

素因数分解:

$2^2\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{2347}}^1$

素因数の和:3887

約数の個数: 24

約数和(自身を含む): 151079712

約数和(自身を除く): 79214572

約数列:

[1, 2, 4, 5, 10, 20, 1531, 2347, 3062, 4694, 6124, 7655, 9388, 11735, 15310, 23470, 30620, 46940, 3593257, 7186514, 14373028, 17966285, 35932570, 71865140]

約数ペア:

[(1, 71865140), (2, 35932570), (4, 17966285), (5, 14373028), (10, 7186514), (20, 3593257), (1531, 46940), (2347, 30620), (3062, 23470), (4694, 15310), (6124, 11735), (7655, 9388)]