22015880

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1103}}^1$

素因数の和:1613

約数の個数: 32

約数和(自身を含む): 49680000

約数和(自身を除く): 27664120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1103, 1996, 2206, 2495, 3992, 4412, 4990, 5515, 8824, 9980, 11030, 19960, 22060, 44120, 550397, 1100794, 2201588, 2751985, 4403176, 5503970, 11007940, 22015880]

約数ペア:

[(1, 22015880), (2, 11007940), (4, 5503970), (5, 4403176), (8, 2751985), (10, 2201588), (20, 1100794), (40, 550397), (499, 44120), (998, 22060), (1103, 19960), (1996, 11030), (2206, 9980), (2495, 8824), (3992, 5515), (4412, 4990)]