12500420

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1013}}^1$

素因数の和:1639

約数の個数: 24

約数和(自身を含む): 26319384

約数和(自身を除く): 13818964

約数列:

[1, 2, 4, 5, 10, 20, 617, 1013, 1234, 2026, 2468, 3085, 4052, 5065, 6170, 10130, 12340, 20260, 625021, 1250042, 2500084, 3125105, 6250210, 12500420]

約数ペア:

[(1, 12500420), (2, 6250210), (4, 3125105), (5, 2500084), (10, 1250042), (20, 625021), (617, 20260), (1013, 12340), (1234, 10130), (2026, 6170), (2468, 5065), (3085, 4052)]