16372280

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1031}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 36966240

約数和(自身を除く): 20593960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1031, 1588, 1985, 2062, 3176, 3970, 4124, 5155, 7940, 8248, 10310, 15880, 20620, 41240, 409307, 818614, 1637228, 2046535, 3274456, 4093070, 8186140, 16372280]

約数ペア:

[(1, 16372280), (2, 8186140), (4, 4093070), (5, 3274456), (8, 2046535), (10, 1637228), (20, 818614), (40, 409307), (397, 41240), (794, 20620), (1031, 15880), (1588, 10310), (1985, 8248), (2062, 7940), (3176, 5155), (3970, 4124)]