123889025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20063}}^1$

素因数の和:20105

約数の個数: 24

約数和(自身を含む): 174155520

約数和(自身を除く): 50266495

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 6175, 20063, 100315, 260819, 381197, 501575, 1304095, 1905985, 4955561, 6520475, 9529925, 24777805, 123889025]

約数ペア:

[(1, 123889025), (5, 24777805), (13, 9529925), (19, 6520475), (25, 4955561), (65, 1905985), (95, 1304095), (247, 501575), (325, 381197), (475, 260819), (1235, 100315), (6175, 20063)]