7781380

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5807}}^1$

素因数の和:5883

約数の個数: 24

約数和(自身を含む): 16587648

約数和(自身を除く): 8806268

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 5807, 11614, 23228, 29035, 58070, 116140, 389069, 778138, 1556276, 1945345, 3890690, 7781380]

約数ペア:

[(1, 7781380), (2, 3890690), (4, 1945345), (5, 1556276), (10, 778138), (20, 389069), (67, 116140), (134, 58070), (268, 29035), (335, 23228), (670, 11614), (1340, 5807)]