90159320

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{4517}}^1$

素因数の和:5027

約数の個数: 32

約数和(自身を含む): 203310000

約数和(自身を除く): 113150680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 3992, 4517, 4990, 9034, 9980, 18068, 19960, 22585, 36136, 45170, 90340, 180680, 2253983, 4507966, 9015932, 11269915, 18031864, 22539830, 45079660, 90159320]

約数ペア:

[(1, 90159320), (2, 45079660), (4, 22539830), (5, 18031864), (8, 11269915), (10, 9015932), (20, 4507966), (40, 2253983), (499, 180680), (998, 90340), (1996, 45170), (2495, 36136), (3992, 22585), (4517, 19960), (4990, 18068), (9034, 9980)]