49420400

素因数分解:

$2^4\times 5^2\times {\mathrm{123551}}^1$

素因数の和:123569

約数の個数: 30

約数和(自身を含む): 118733472

約数和(自身を除く): 69313072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 123551, 247102, 494204, 617755, 988408, 1235510, 1976816, 2471020, 3088775, 4942040, 6177550, 9884080, 12355100, 24710200, 49420400]

約数ペア:

[(1, 49420400), (2, 24710200), (4, 12355100), (5, 9884080), (8, 6177550), (10, 4942040), (16, 3088775), (20, 2471020), (25, 1976816), (40, 1235510), (50, 988408), (80, 617755), (100, 494204), (200, 247102), (400, 123551)]