7825420

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{751}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 16486848

約数和(自身を除く): 8661428

約数列:

[1, 2, 4, 5, 10, 20, 521, 751, 1042, 1502, 2084, 2605, 3004, 3755, 5210, 7510, 10420, 15020, 391271, 782542, 1565084, 1956355, 3912710, 7825420]

約数ペア:

[(1, 7825420), (2, 3912710), (4, 1956355), (5, 1565084), (10, 782542), (20, 391271), (521, 15020), (751, 10420), (1042, 7510), (1502, 5210), (2084, 3755), (2605, 3004)]