28298320

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1277}}^1$

素因数の和:1567

約数の個数: 40

約数和(自身を含む): 66082824

約数和(自身を除く): 37784504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 554, 1108, 1277, 1385, 2216, 2554, 2770, 4432, 5108, 5540, 6385, 10216, 11080, 12770, 20432, 22160, 25540, 51080, 102160, 353729, 707458, 1414916, 1768645, 2829832, 3537290, 5659664, 7074580, 14149160, 28298320]

約数ペア:

[(1, 28298320), (2, 14149160), (4, 7074580), (5, 5659664), (8, 3537290), (10, 2829832), (16, 1768645), (20, 1414916), (40, 707458), (80, 353729), (277, 102160), (554, 51080), (1108, 25540), (1277, 22160), (1385, 20432), (2216, 12770), (2554, 11080), (2770, 10216), (4432, 6385), (5108, 5540)]