8880453980

素因数分解:

$2^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{273919}}^1$

素因数の和:275549

約数の個数: 24

約数和(自身を含む): 18660526080

約数和(自身を除く): 9780072100

約数列:

[1, 2, 4, 5, 10, 20, 1621, 3242, 6484, 8105, 16210, 32420, 273919, 547838, 1095676, 1369595, 2739190, 5478380, 444022699, 888045398, 1776090796, 2220113495, 4440226990, 8880453980]

約数ペア:

[(1, 8880453980), (2, 4440226990), (4, 2220113495), (5, 1776090796), (10, 888045398), (20, 444022699), (1621, 5478380), (3242, 2739190), (6484, 1369595), (8105, 1095676), (16210, 547838), (32420, 273919)]