53316440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21851}}^1$

素因数の和:21923

約数の個数: 32

約数和(自身を含む): 121934160

約数和(自身を除く): 68617720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 21851, 43702, 87404, 109255, 174808, 218510, 437020, 874040, 1332911, 2665822, 5331644, 6664555, 10663288, 13329110, 26658220, 53316440]

約数ペア:

[(1, 53316440), (2, 26658220), (4, 13329110), (5, 10663288), (8, 6664555), (10, 5331644), (20, 2665822), (40, 1332911), (61, 874040), (122, 437020), (244, 218510), (305, 174808), (488, 109255), (610, 87404), (1220, 43702), (2440, 21851)]