68151880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{36251}}^1$

素因数の和:36309

約数の個数: 32

約数和(自身を含む): 156608640

約数和(自身を除く): 88456760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 36251, 72502, 145004, 181255, 290008, 362510, 725020, 1450040, 1703797, 3407594, 6815188, 8518985, 13630376, 17037970, 34075940, 68151880]

約数ペア:

[(1, 68151880), (2, 34075940), (4, 17037970), (5, 13630376), (8, 8518985), (10, 6815188), (20, 3407594), (40, 1703797), (47, 1450040), (94, 725020), (188, 362510), (235, 290008), (376, 181255), (470, 145004), (940, 72502), (1880, 36251)]