28706680

素因数分解:

$2^3\times 5^1\times {\mathrm{717667}}^1$

素因数の和:717678

約数の個数: 16

約数和(自身を含む): 64590120

約数和(自身を除く): 35883440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 717667, 1435334, 2870668, 3588335, 5741336, 7176670, 14353340, 28706680]

約数ペア:

[(1, 28706680), (2, 14353340), (4, 7176670), (5, 5741336), (8, 3588335), (10, 2870668), (20, 1435334), (40, 717667)]