71880125

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 94348800

約数和(自身を除く): 22468675

約数列:

[1, 5, 25, 29, 79, 125, 145, 251, 395, 725, 1255, 1975, 2291, 3625, 6275, 7279, 9875, 11455, 19829, 31375, 36395, 57275, 99145, 181975, 286375, 495725, 575041, 909875, 2478625, 2875205, 14376025, 71880125]

約数ペア:

[(1, 71880125), (5, 14376025), (25, 2875205), (29, 2478625), (79, 909875), (125, 575041), (145, 495725), (251, 286375), (395, 181975), (725, 99145), (1255, 57275), (1975, 36395), (2291, 31375), (3625, 19829), (6275, 11455), (7279, 9875)]