19626785425

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{617}}^1\times {\mathrm{7529}}^1$

素因数の和:8182

約数の個数: 36

約数和(自身を含む): 26399532420

約数和(自身を除く): 6772746995

約数列:

[1, 5, 13, 25, 65, 169, 325, 617, 845, 3085, 4225, 7529, 8021, 15425, 37645, 40105, 97877, 104273, 188225, 200525, 489385, 521365, 1272401, 2446925, 2606825, 4645393, 6362005, 23226965, 31810025, 60390109, 116134825, 301950545, 785071417, 1509752725, 3925357085, 19626785425]

約数ペア:

[(1, 19626785425), (5, 3925357085), (13, 1509752725), (25, 785071417), (65, 301950545), (169, 116134825), (325, 60390109), (617, 31810025), (845, 23226965), (3085, 6362005), (4225, 4645393), (7529, 2606825), (8021, 2446925), (15425, 1272401), (37645, 521365), (40105, 489385), (97877, 200525), (104273, 188225)]