13912760

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3191}}^1$

素因数の和:3311

約数の個数: 32

約数和(自身を含む): 31600800

約数和(自身を除く): 17688040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 3191, 4360, 6382, 12764, 15955, 25528, 31910, 63820, 127640, 347819, 695638, 1391276, 1739095, 2782552, 3478190, 6956380, 13912760]

約数ペア:

[(1, 13912760), (2, 6956380), (4, 3478190), (5, 2782552), (8, 1739095), (10, 1391276), (20, 695638), (40, 347819), (109, 127640), (218, 63820), (436, 31910), (545, 25528), (872, 15955), (1090, 12764), (2180, 6382), (3191, 4360)]