64032940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{86531}}^1$

素因数の和:86577

約数の個数: 24

約数和(自身を含む): 138105072

約数和(自身を除く): 74072132

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 86531, 173062, 346124, 432655, 865310, 1730620, 3201647, 6403294, 12806588, 16008235, 32016470, 64032940]

約数ペア:

[(1, 64032940), (2, 32016470), (4, 16008235), (5, 12806588), (10, 6403294), (20, 3201647), (37, 1730620), (74, 865310), (148, 432655), (185, 346124), (370, 173062), (740, 86531)]