161088040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{138869}}^1$

素因数の和:138909

約数の個数: 32

約数和(自身を含む): 374949000

約数和(自身を除く): 213860960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 138869, 277738, 555476, 694345, 1110952, 1388690, 2777380, 4027201, 5554760, 8054402, 16108804, 20136005, 32217608, 40272010, 80544020, 161088040]

約数ペア:

[(1, 161088040), (2, 80544020), (4, 40272010), (5, 32217608), (8, 20136005), (10, 16108804), (20, 8054402), (29, 5554760), (40, 4027201), (58, 2777380), (116, 1388690), (145, 1110952), (232, 694345), (290, 555476), (580, 277738), (1160, 138869)]