2615420

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{521}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 5524848

約数和(自身を除く): 2909428

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 521, 1004, 1042, 1255, 2084, 2510, 2605, 5020, 5210, 10420, 130771, 261542, 523084, 653855, 1307710, 2615420]

約数ペア:

[(1, 2615420), (2, 1307710), (4, 653855), (5, 523084), (10, 261542), (20, 130771), (251, 10420), (502, 5210), (521, 5020), (1004, 2605), (1042, 2510), (1255, 2084)]