2100900425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{10477}}^1$

素因数の和:11117

約数の個数: 24

約数和(自身を含む): 2810325336

約数和(自身を除く): 709424911

約数列:

[1, 5, 13, 25, 65, 325, 617, 3085, 8021, 10477, 15425, 40105, 52385, 136201, 200525, 261925, 681005, 3405025, 6464309, 32321545, 84036017, 161607725, 420180085, 2100900425]

約数ペア:

[(1, 2100900425), (5, 420180085), (13, 161607725), (25, 84036017), (65, 32321545), (325, 6464309), (617, 3405025), (3085, 681005), (8021, 261925), (10477, 200525), (15425, 136201), (40105, 52385)]