11129960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3919}}^1$

素因数の和:4001

約数の個数: 32

約数和(自身を含む): 25401600

約数和(自身を除く): 14271640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 3919, 7838, 15676, 19595, 31352, 39190, 78380, 156760, 278249, 556498, 1112996, 1391245, 2225992, 2782490, 5564980, 11129960]

約数ペア:

[(1, 11129960), (2, 5564980), (4, 2782490), (5, 2225992), (8, 1391245), (10, 1112996), (20, 556498), (40, 278249), (71, 156760), (142, 78380), (284, 39190), (355, 31352), (568, 19595), (710, 15676), (1420, 7838), (2840, 3919)]