28864120

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1579}}^1$

素因数の和:2047

約数の個数: 32

約数和(自身を含む): 65127600

約数和(自身を除く): 36263480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1579, 1828, 2285, 3158, 3656, 4570, 6316, 7895, 9140, 12632, 15790, 18280, 31580, 63160, 721603, 1443206, 2886412, 3608015, 5772824, 7216030, 14432060, 28864120]

約数ペア:

[(1, 28864120), (2, 14432060), (4, 7216030), (5, 5772824), (8, 3608015), (10, 2886412), (20, 1443206), (40, 721603), (457, 63160), (914, 31580), (1579, 18280), (1828, 15790), (2285, 12632), (3158, 9140), (3656, 7895), (4570, 6316)]