220800175

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{2161}}^1$

素因数の和:2299

約数の個数: 24

約数和(自身を含む): 282564752

約数和(自身を除く): 61764577

約数列:

[1, 5, 25, 61, 67, 305, 335, 1525, 1675, 2161, 4087, 10805, 20435, 54025, 102175, 131821, 144787, 659105, 723935, 3295525, 3619675, 8832007, 44160035, 220800175]

約数ペア:

[(1, 220800175), (5, 44160035), (25, 8832007), (61, 3619675), (67, 3295525), (305, 723935), (335, 659105), (1525, 144787), (1675, 131821), (2161, 102175), (4087, 54025), (10805, 20435)]