82380400

素因数分解:

$2^4\times 5^2\times {\mathrm{205951}}^1$

素因数の和:205969

約数の個数: 30

約数和(自身を含む): 197919872

約数和(自身を除く): 115539472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 205951, 411902, 823804, 1029755, 1647608, 2059510, 3295216, 4119020, 5148775, 8238040, 10297550, 16476080, 20595100, 41190200, 82380400]

約数ペア:

[(1, 82380400), (2, 41190200), (4, 20595100), (5, 16476080), (8, 10297550), (10, 8238040), (16, 5148775), (20, 4119020), (25, 3295216), (40, 2059510), (50, 1647608), (80, 1029755), (100, 823804), (200, 411902), (400, 205951)]