80894920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69737}}^1$

素因数の和:69777

約数の個数: 32

約数和(自身を含む): 188292600

約数和(自身を除く): 107397680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 69737, 139474, 278948, 348685, 557896, 697370, 1394740, 2022373, 2789480, 4044746, 8089492, 10111865, 16178984, 20223730, 40447460, 80894920]

約数ペア:

[(1, 80894920), (2, 40447460), (4, 20223730), (5, 16178984), (8, 10111865), (10, 8089492), (20, 4044746), (29, 2789480), (40, 2022373), (58, 1394740), (116, 697370), (145, 557896), (232, 348685), (290, 278948), (580, 139474), (1160, 69737)]