8259380

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2971}}^1$

素因数の和:3119

約数の個数: 24

約数和(自身を含む): 17475360

約数和(自身を除く): 9215980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 2971, 5942, 11884, 14855, 29710, 59420, 412969, 825938, 1651876, 2064845, 4129690, 8259380]

約数ペア:

[(1, 8259380), (2, 4129690), (4, 2064845), (5, 1651876), (10, 825938), (20, 412969), (139, 59420), (278, 29710), (556, 14855), (695, 11884), (1390, 5942), (2780, 2971)]