203552080

素因数分解:

$2^4\times 5^1\times {\mathrm{499}}^1\times {\mathrm{5099}}^1$

素因数の和:5611

約数の個数: 40

約数和(自身を含む): 474300000

約数和(自身を除く): 270747920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 499, 998, 1996, 2495, 3992, 4990, 5099, 7984, 9980, 10198, 19960, 20396, 25495, 39920, 40792, 50990, 81584, 101980, 203960, 407920, 2544401, 5088802, 10177604, 12722005, 20355208, 25444010, 40710416, 50888020, 101776040, 203552080]

約数ペア:

[(1, 203552080), (2, 101776040), (4, 50888020), (5, 40710416), (8, 25444010), (10, 20355208), (16, 12722005), (20, 10177604), (40, 5088802), (80, 2544401), (499, 407920), (998, 203960), (1996, 101980), (2495, 81584), (3992, 50990), (4990, 40792), (5099, 39920), (7984, 25495), (9980, 20396), (10198, 19960)]