2625025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 3609144

約数和(自身を除く): 984119

約数列:

[1, 5, 13, 25, 41, 65, 197, 205, 325, 533, 985, 1025, 2561, 2665, 4925, 8077, 12805, 13325, 40385, 64025, 105001, 201925, 525005, 2625025]

約数ペア:

[(1, 2625025), (5, 525005), (13, 201925), (25, 105001), (41, 64025), (65, 40385), (197, 13325), (205, 12805), (325, 8077), (533, 4925), (985, 2665), (1025, 2561)]