27825520

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3191}}^1$

素因数の和:3313

約数の個数: 40

約数和(自身を含む): 65308320

約数和(自身を除く): 37482800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 3191, 4360, 6382, 8720, 12764, 15955, 25528, 31910, 51056, 63820, 127640, 255280, 347819, 695638, 1391276, 1739095, 2782552, 3478190, 5565104, 6956380, 13912760, 27825520]

約数ペア:

[(1, 27825520), (2, 13912760), (4, 6956380), (5, 5565104), (8, 3478190), (10, 2782552), (16, 1739095), (20, 1391276), (40, 695638), (80, 347819), (109, 255280), (218, 127640), (436, 63820), (545, 51056), (872, 31910), (1090, 25528), (1744, 15955), (2180, 12764), (3191, 8720), (4360, 6382)]