79899740

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{2683}}^1$

素因数の和:4181

約数の個数: 24

約数和(自身を含む): 167964720

約数和(自身を除く): 88064980

約数列:

[1, 2, 4, 5, 10, 20, 1489, 2683, 2978, 5366, 5956, 7445, 10732, 13415, 14890, 26830, 29780, 53660, 3994987, 7989974, 15979948, 19974935, 39949870, 79899740]

約数ペア:

[(1, 79899740), (2, 39949870), (4, 19974935), (5, 15979948), (10, 7989974), (20, 3994987), (1489, 53660), (2683, 29780), (2978, 26830), (5366, 14890), (5956, 13415), (7445, 10732)]