401050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{617}}^1$

素因数の和:642

約数の個数: 24

約数和(自身を含む): 804636

約数和(自身を除く): 403586

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 617, 650, 1234, 3085, 6170, 8021, 15425, 16042, 30850, 40105, 80210, 200525, 401050]

約数ペア:

[(1, 401050), (2, 200525), (5, 80210), (10, 40105), (13, 30850), (25, 16042), (26, 15425), (50, 8021), (65, 6170), (130, 3085), (325, 1234), (617, 650)]