53725520

素因数分解:

$2^4\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1289}}^1$

素因数の和:1823

約数の個数: 40

約数和(自身を含む): 125248680

約数和(自身を除く): 71523160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 521, 1042, 1289, 2084, 2578, 2605, 4168, 5156, 5210, 6445, 8336, 10312, 10420, 12890, 20624, 20840, 25780, 41680, 51560, 103120, 671569, 1343138, 2686276, 3357845, 5372552, 6715690, 10745104, 13431380, 26862760, 53725520]

約数ペア:

[(1, 53725520), (2, 26862760), (4, 13431380), (5, 10745104), (8, 6715690), (10, 5372552), (16, 3357845), (20, 2686276), (40, 1343138), (80, 671569), (521, 103120), (1042, 51560), (1289, 41680), (2084, 25780), (2578, 20840), (2605, 20624), (4168, 12890), (5156, 10420), (5210, 10312), (6445, 8336)]