20145857525

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1\times {\mathrm{569}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 25719603840

約数和(自身を除く): 5573746315

約数列:

[1, 5, 25, 83, 113, 151, 415, 565, 569, 755, 2075, 2825, 2845, 3775, 9379, 12533, 14225, 17063, 46895, 47227, 62665, 64297, 85315, 85919, 234475, 236135, 313325, 321485, 426575, 429595, 1180675, 1416229, 1607425, 2147975, 5336651, 7081145, 7131277, 9708847, 26683255, 35405725, 35656385, 48544235, 133416275, 178281925, 242721175, 805834301, 4029171505, 20145857525]

約数ペア:

[(1, 20145857525), (5, 4029171505), (25, 805834301), (83, 242721175), (113, 178281925), (151, 133416275), (415, 48544235), (565, 35656385), (569, 35405725), (755, 26683255), (2075, 9708847), (2825, 7131277), (2845, 7081145), (3775, 5336651), (9379, 2147975), (12533, 1607425), (14225, 1416229), (17063, 1180675), (46895, 429595), (47227, 426575), (62665, 321485), (64297, 313325), (85315, 236135), (85919, 234475)]