28646120

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5639}}^1$

素因数の和:5777

約数の個数: 32

約数和(自身を含む): 64972800

約数和(自身を除く): 36326680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 5639, 11278, 22556, 28195, 45112, 56390, 112780, 225560, 716153, 1432306, 2864612, 3580765, 5729224, 7161530, 14323060, 28646120]

約数ペア:

[(1, 28646120), (2, 14323060), (4, 7161530), (5, 5729224), (8, 3580765), (10, 2864612), (20, 1432306), (40, 716153), (127, 225560), (254, 112780), (508, 56390), (635, 45112), (1016, 28195), (1270, 22556), (2540, 11278), (5080, 5639)]