262077980

素因数分解:

$2^2\times 5^1\times {\mathrm{2579}}^1\times {\mathrm{5081}}^1$

素因数の和:7669

約数の個数: 24

約数和(自身を含む): 550685520

約数和(自身を除く): 288607540

約数列:

[1, 2, 4, 5, 10, 20, 2579, 5081, 5158, 10162, 10316, 12895, 20324, 25405, 25790, 50810, 51580, 101620, 13103899, 26207798, 52415596, 65519495, 131038990, 262077980]

約数ペア:

[(1, 262077980), (2, 131038990), (4, 65519495), (5, 52415596), (10, 26207798), (20, 13103899), (2579, 101620), (5081, 51580), (5158, 50810), (10162, 25790), (10316, 25405), (12895, 20324)]