28845080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65557}}^1$

素因数の和:65579

約数の個数: 32

約数和(自身を含む): 70802640

約数和(自身を除く): 41957560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 65557, 131114, 262228, 327785, 524456, 655570, 721127, 1311140, 1442254, 2622280, 2884508, 3605635, 5769016, 7211270, 14422540, 28845080]

約数ペア:

[(1, 28845080), (2, 14422540), (4, 7211270), (5, 5769016), (8, 3605635), (10, 2884508), (11, 2622280), (20, 1442254), (22, 1311140), (40, 721127), (44, 655570), (55, 524456), (88, 327785), (110, 262228), (220, 131114), (440, 65557)]