87709180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337343}}^1$

素因数の和:337365

約数の個数: 24

約数和(自身を含む): 198358272

約数和(自身を除く): 110649092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 337343, 674686, 1349372, 1686715, 3373430, 4385459, 6746860, 8770918, 17541836, 21927295, 43854590, 87709180]

約数ペア:

[(1, 87709180), (2, 43854590), (4, 21927295), (5, 17541836), (10, 8770918), (13, 6746860), (20, 4385459), (26, 3373430), (52, 1686715), (65, 1349372), (130, 674686), (260, 337343)]