201465875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{123979}}^1$

素因数の和:124007

約数の個数: 16

約数和(自身を含む): 270772320

約数和(自身を除く): 69306445

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 123979, 619895, 1611727, 3099475, 8058635, 15497375, 40293175, 201465875]

約数ペア:

[(1, 201465875), (5, 40293175), (13, 15497375), (25, 8058635), (65, 3099475), (125, 1611727), (325, 619895), (1625, 123979)]