13127320

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1069}}^1$

素因数の和:1387

約数の個数: 32

約数和(自身を含む): 29660400

約数和(自身を除く): 16533080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1069, 1228, 1535, 2138, 2456, 3070, 4276, 5345, 6140, 8552, 10690, 12280, 21380, 42760, 328183, 656366, 1312732, 1640915, 2625464, 3281830, 6563660, 13127320]

約数ペア:

[(1, 13127320), (2, 6563660), (4, 3281830), (5, 2625464), (8, 1640915), (10, 1312732), (20, 656366), (40, 328183), (307, 42760), (614, 21380), (1069, 12280), (1228, 10690), (1535, 8552), (2138, 6140), (2456, 5345), (3070, 4276)]