10991560

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2521}}^1$

素因数の和:2641

約数の個数: 32

約数和(自身を含む): 24967800

約数和(自身を除く): 13976240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 2521, 4360, 5042, 10084, 12605, 20168, 25210, 50420, 100840, 274789, 549578, 1099156, 1373945, 2198312, 2747890, 5495780, 10991560]

約数ペア:

[(1, 10991560), (2, 5495780), (4, 2747890), (5, 2198312), (8, 1373945), (10, 1099156), (20, 549578), (40, 274789), (109, 100840), (218, 50420), (436, 25210), (545, 20168), (872, 12605), (1090, 10084), (2180, 5042), (2521, 4360)]