87708140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337339}}^1$

素因数の和:337361

約数の個数: 24

約数和(自身を含む): 198355920

約数和(自身を除く): 110647780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 337339, 674678, 1349356, 1686695, 3373390, 4385407, 6746780, 8770814, 17541628, 21927035, 43854070, 87708140]

約数ペア:

[(1, 87708140), (2, 43854070), (4, 21927035), (5, 17541628), (10, 8770814), (13, 6746780), (20, 4385407), (26, 3373390), (52, 1686695), (65, 1349356), (130, 674678), (260, 337339)]