11281240

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2029}}^1$

素因数の和:2179

約数の個数: 32

約数和(自身を含む): 25578000

約数和(自身を除く): 14296760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2029, 2780, 4058, 5560, 8116, 10145, 16232, 20290, 40580, 81160, 282031, 564062, 1128124, 1410155, 2256248, 2820310, 5640620, 11281240]

約数ペア:

[(1, 11281240), (2, 5640620), (4, 2820310), (5, 2256248), (8, 1410155), (10, 1128124), (20, 564062), (40, 282031), (139, 81160), (278, 40580), (556, 20290), (695, 16232), (1112, 10145), (1390, 8116), (2029, 5560), (2780, 4058)]