8879720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3041}}^1$

素因数の和:3125

約数の個数: 32

約数和(自身を含む): 20259720

約数和(自身を除く): 11380000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 3041, 6082, 12164, 15205, 24328, 30410, 60820, 121640, 221993, 443986, 887972, 1109965, 1775944, 2219930, 4439860, 8879720]

約数ペア:

[(1, 8879720), (2, 4439860), (4, 2219930), (5, 1775944), (8, 1109965), (10, 887972), (20, 443986), (40, 221993), (73, 121640), (146, 60820), (292, 30410), (365, 24328), (584, 15205), (730, 12164), (1460, 6082), (2920, 3041)]