87701380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337313}}^1$

素因数の和:337335

約数の個数: 24

約数和(自身を含む): 198340632

約数和(自身を除く): 110639252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 337313, 674626, 1349252, 1686565, 3373130, 4385069, 6746260, 8770138, 17540276, 21925345, 43850690, 87701380]

約数ペア:

[(1, 87701380), (2, 43850690), (4, 21925345), (5, 17540276), (10, 8770138), (13, 6746260), (20, 4385069), (26, 3373130), (52, 1686565), (65, 1349252), (130, 674626), (260, 337313)]