16799320

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{919}}^1$

素因数の和:1387

約数の個数: 32

約数和(自身を含む): 37922400

約数和(自身を除く): 21123080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 919, 1828, 1838, 2285, 3656, 3676, 4570, 4595, 7352, 9140, 9190, 18280, 18380, 36760, 419983, 839966, 1679932, 2099915, 3359864, 4199830, 8399660, 16799320]

約数ペア:

[(1, 16799320), (2, 8399660), (4, 4199830), (5, 3359864), (8, 2099915), (10, 1679932), (20, 839966), (40, 419983), (457, 36760), (914, 18380), (919, 18280), (1828, 9190), (1838, 9140), (2285, 7352), (3656, 4595), (3676, 4570)]