28644760

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1567}}^1$

素因数の和:2035

約数の個数: 32

約数和(自身を含む): 64632960

約数和(自身を除く): 35988200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1567, 1828, 2285, 3134, 3656, 4570, 6268, 7835, 9140, 12536, 15670, 18280, 31340, 62680, 716119, 1432238, 2864476, 3580595, 5728952, 7161190, 14322380, 28644760]

約数ペア:

[(1, 28644760), (2, 14322380), (4, 7161190), (5, 5728952), (8, 3580595), (10, 2864476), (20, 1432238), (40, 716119), (457, 62680), (914, 31340), (1567, 18280), (1828, 15670), (2285, 12536), (3134, 9140), (3656, 7835), (4570, 6268)]