8616980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 18869760

約数和(自身を除く): 10252780

約数列:

[1, 2, 4, 5, 10, 20, 47, 89, 94, 103, 178, 188, 206, 235, 356, 412, 445, 470, 515, 890, 940, 1030, 1780, 2060, 4183, 4841, 8366, 9167, 9682, 16732, 18334, 19364, 20915, 24205, 36668, 41830, 45835, 48410, 83660, 91670, 96820, 183340, 430849, 861698, 1723396, 2154245, 4308490, 8616980]

約数ペア:

[(1, 8616980), (2, 4308490), (4, 2154245), (5, 1723396), (10, 861698), (20, 430849), (47, 183340), (89, 96820), (94, 91670), (103, 83660), (178, 48410), (188, 45835), (206, 41830), (235, 36668), (356, 24205), (412, 20915), (445, 19364), (470, 18334), (515, 16732), (890, 9682), (940, 9167), (1030, 8366), (1780, 4841), (2060, 4183)]