25219025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 36

約数和(自身を含む): 34854912

約数和(自身を除く): 9635887

約数列:

[1, 5, 13, 25, 47, 65, 127, 169, 235, 325, 611, 635, 845, 1175, 1651, 3055, 3175, 4225, 5969, 7943, 8255, 15275, 21463, 29845, 39715, 41275, 77597, 107315, 149225, 198575, 387985, 536575, 1008761, 1939925, 5043805, 25219025]

約数ペア:

[(1, 25219025), (5, 5043805), (13, 1939925), (25, 1008761), (47, 536575), (65, 387985), (127, 198575), (169, 149225), (235, 107315), (325, 77597), (611, 41275), (635, 39715), (845, 29845), (1175, 21463), (1651, 15275), (3055, 8255), (3175, 7943), (4225, 5969)]