20165080325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{747547}}^1$

素因数の和:747653

約数の個数: 24

約数和(自身を含む): 27252609888

約数和(自身を除く): 7087529563

約数列:

[1, 5, 13, 25, 65, 83, 325, 415, 1079, 2075, 5395, 26975, 747547, 3737735, 9718111, 18688675, 48590555, 62046401, 242952775, 310232005, 806603213, 1551160025, 4033016065, 20165080325]

約数ペア:

[(1, 20165080325), (5, 4033016065), (13, 1551160025), (25, 806603213), (65, 310232005), (83, 242952775), (325, 62046401), (415, 48590555), (1079, 18688675), (2075, 9718111), (5395, 3737735), (26975, 747547)]