25457420

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{2063}}^1$

素因数の和:2689

約数の個数: 24

約数和(自身を含む): 53573184

約数和(自身を除く): 28115764

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2063, 2468, 3085, 4126, 6170, 8252, 10315, 12340, 20630, 41260, 1272871, 2545742, 5091484, 6364355, 12728710, 25457420]

約数ペア:

[(1, 25457420), (2, 12728710), (4, 6364355), (5, 5091484), (10, 2545742), (20, 1272871), (617, 41260), (1234, 20630), (2063, 12340), (2468, 10315), (3085, 8252), (4126, 6170)]