160420

素因数分解:

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

素因数の和:639

約数の個数: 24

約数和(自身を含む): 363384

約数和(自身を除く): 202964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 617, 1234, 2468, 3085, 6170, 8021, 12340, 16042, 32084, 40105, 80210, 160420]

約数ペア:

[(1, 160420), (2, 80210), (4, 40105), (5, 32084), (10, 16042), (13, 12340), (20, 8021), (26, 6170), (52, 3085), (65, 2468), (130, 1234), (260, 617)]