9900500

素因数分解:

$2^2\times 5^3\times {\mathrm{19801}}^1$

素因数の和:19820

約数の個数: 24

約数和(自身を含む): 21623784

約数和(自身を除く): 11723284

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 19801, 39602, 79204, 99005, 198010, 396020, 495025, 990050, 1980100, 2475125, 4950250, 9900500]

約数ペア:

[(1, 9900500), (2, 4950250), (4, 2475125), (5, 1980100), (10, 990050), (20, 495025), (25, 396020), (50, 198010), (100, 99005), (125, 79204), (250, 39602), (500, 19801)]