64293560

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{4241}}^1$

素因数の和:4631

約数の個数: 32

約数和(自身を含む): 145076400

約数和(自身を除く): 80782840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1516, 1895, 3032, 3790, 4241, 7580, 8482, 15160, 16964, 21205, 33928, 42410, 84820, 169640, 1607339, 3214678, 6429356, 8036695, 12858712, 16073390, 32146780, 64293560]

約数ペア:

[(1, 64293560), (2, 32146780), (4, 16073390), (5, 12858712), (8, 8036695), (10, 6429356), (20, 3214678), (40, 1607339), (379, 169640), (758, 84820), (1516, 42410), (1895, 33928), (3032, 21205), (3790, 16964), (4241, 15160), (7580, 8482)]