28427680

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1399}}^1$

素因数の和:1541

約数の個数: 48

約数和(自身を含む): 67737600

約数和(自身を除く): 39309920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 1399, 2032, 2540, 2798, 4064, 5080, 5596, 6995, 10160, 11192, 13990, 20320, 22384, 27980, 44768, 55960, 111920, 177673, 223840, 355346, 710692, 888365, 1421384, 1776730, 2842768, 3553460, 5685536, 7106920, 14213840, 28427680]

約数ペア:

[(1, 28427680), (2, 14213840), (4, 7106920), (5, 5685536), (8, 3553460), (10, 2842768), (16, 1776730), (20, 1421384), (32, 888365), (40, 710692), (80, 355346), (127, 223840), (160, 177673), (254, 111920), (508, 55960), (635, 44768), (1016, 27980), (1270, 22384), (1399, 20320), (2032, 13990), (2540, 11192), (2798, 10160), (4064, 6995), (5080, 5596)]