80921968

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{107609}}^1$

素因数の和:107664

約数の個数: 20

約数和(自身を含む): 160123680

約数和(自身を除く): 79201712

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 107609, 215218, 430436, 860872, 1721744, 5057623, 10115246, 20230492, 40460984, 80921968]

約数ペア:

[(1, 80921968), (2, 40460984), (4, 20230492), (8, 10115246), (16, 5057623), (47, 1721744), (94, 860872), (188, 430436), (376, 215218), (752, 107609)]