16460980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 36242640

約数和(自身を除く): 19781660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 101, 116, 145, 202, 281, 290, 404, 505, 562, 580, 1010, 1124, 1405, 2020, 2810, 2929, 5620, 5858, 8149, 11716, 14645, 16298, 28381, 29290, 32596, 40745, 56762, 58580, 81490, 113524, 141905, 162980, 283810, 567620, 823049, 1646098, 3292196, 4115245, 8230490, 16460980]

約数ペア:

[(1, 16460980), (2, 8230490), (4, 4115245), (5, 3292196), (10, 1646098), (20, 823049), (29, 567620), (58, 283810), (101, 162980), (116, 141905), (145, 113524), (202, 81490), (281, 58580), (290, 56762), (404, 40745), (505, 32596), (562, 29290), (580, 28381), (1010, 16298), (1124, 14645), (1405, 11716), (2020, 8149), (2810, 5858), (2929, 5620)]