80136880

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21313}}^1$

素因数の和:21373

約数の個数: 40

約数和(自身を含む): 190291392

約数和(自身を除く): 110154512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 21313, 42626, 85252, 106565, 170504, 213130, 341008, 426260, 852520, 1001711, 1705040, 2003422, 4006844, 5008555, 8013688, 10017110, 16027376, 20034220, 40068440, 80136880]

約数ペア:

[(1, 80136880), (2, 40068440), (4, 20034220), (5, 16027376), (8, 10017110), (10, 8013688), (16, 5008555), (20, 4006844), (40, 2003422), (47, 1705040), (80, 1001711), (94, 852520), (188, 426260), (235, 341008), (376, 213130), (470, 170504), (752, 106565), (940, 85252), (1880, 42626), (3760, 21313)]