12722260

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3229}}^1$

素因数の和:3435

約数の個数: 24

約数和(自身を含む): 26860680

約数和(自身を除く): 14138420

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3229, 3940, 6458, 12916, 16145, 32290, 64580, 636113, 1272226, 2544452, 3180565, 6361130, 12722260]

約数ペア:

[(1, 12722260), (2, 6361130), (4, 3180565), (5, 2544452), (10, 1272226), (20, 636113), (197, 64580), (394, 32290), (788, 16145), (985, 12916), (1970, 6458), (3229, 3940)]