10001375

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 32

約数和(自身を含む): 13478400

約数和(自身を除く): 3477025

約数列:

[1, 5, 25, 29, 31, 89, 125, 145, 155, 445, 725, 775, 899, 2225, 2581, 2759, 3625, 3875, 4495, 11125, 12905, 13795, 22475, 64525, 68975, 80011, 112375, 322625, 344875, 400055, 2000275, 10001375]

約数ペア:

[(1, 10001375), (5, 2000275), (25, 400055), (29, 344875), (31, 322625), (89, 112375), (125, 80011), (145, 68975), (155, 64525), (445, 22475), (725, 13795), (775, 12905), (899, 11125), (2225, 4495), (2581, 3875), (2759, 3625)]