422061520

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{21019}}^1$

素因数の和:21283

約数の個数: 40

約数和(自身を含む): 985249440

約数和(自身を除く): 563187920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 4016, 5020, 10040, 20080, 21019, 42038, 84076, 105095, 168152, 210190, 336304, 420380, 840760, 1681520, 5275769, 10551538, 21103076, 26378845, 42206152, 52757690, 84412304, 105515380, 211030760, 422061520]

約数ペア:

[(1, 422061520), (2, 211030760), (4, 105515380), (5, 84412304), (8, 52757690), (10, 42206152), (16, 26378845), (20, 21103076), (40, 10551538), (80, 5275769), (251, 1681520), (502, 840760), (1004, 420380), (1255, 336304), (2008, 210190), (2510, 168152), (4016, 105095), (5020, 84076), (10040, 42038), (20080, 21019)]