25406875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:145

約数の個数: 40

約数和(自身を含む): 35426160

約数和(自身を除く): 10019285

約数列:

[1, 5, 13, 25, 53, 59, 65, 125, 265, 295, 325, 625, 689, 767, 1325, 1475, 1625, 3127, 3445, 3835, 6625, 7375, 8125, 15635, 17225, 19175, 33125, 36875, 40651, 78175, 86125, 95875, 203255, 390875, 430625, 479375, 1016275, 1954375, 5081375, 25406875]

約数ペア:

[(1, 25406875), (5, 5081375), (13, 1954375), (25, 1016275), (53, 479375), (59, 430625), (65, 390875), (125, 203255), (265, 95875), (295, 86125), (325, 78175), (625, 40651), (689, 36875), (767, 33125), (1325, 19175), (1475, 17225), (1625, 15635), (3127, 8125), (3445, 7375), (3835, 6625)]