80039800

素因数分解:

$2^3\times 5^2\times {\mathrm{400199}}^1$

素因数の和:400215

約数の個数: 24

約数和(自身を含む): 186093000

約数和(自身を除く): 106053200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 400199, 800398, 1600796, 2000995, 3201592, 4001990, 8003980, 10004975, 16007960, 20009950, 40019900, 80039800]

約数ペア:

[(1, 80039800), (2, 40019900), (4, 20009950), (5, 16007960), (8, 10004975), (10, 8003980), (20, 4001990), (25, 3201592), (40, 2000995), (50, 1600796), (100, 800398), (200, 400199)]