81883820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{141179}}^1$

素因数の和:141217

約数の個数: 24

約数和(自身を含む): 177886800

約数和(自身を除く): 96002980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 141179, 282358, 564716, 705895, 1411790, 2823580, 4094191, 8188382, 16376764, 20470955, 40941910, 81883820]

約数ペア:

[(1, 81883820), (2, 40941910), (4, 20470955), (5, 16376764), (10, 8188382), (20, 4094191), (29, 2823580), (58, 1411790), (116, 705895), (145, 564716), (290, 282358), (580, 141179)]