16400980

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{3581}}^1$

素因数の和:3819

約数の個数: 24

約数和(自身を含む): 34602120

約数和(自身を除く): 18201140

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 3581, 4580, 7162, 14324, 17905, 35810, 71620, 820049, 1640098, 3280196, 4100245, 8200490, 16400980]

約数ペア:

[(1, 16400980), (2, 8200490), (4, 4100245), (5, 3280196), (10, 1640098), (20, 820049), (229, 71620), (458, 35810), (916, 17905), (1145, 14324), (2290, 7162), (3581, 4580)]