22721800

素因数分解:

$2^3\times 5^2\times {\mathrm{103}}^1\times {\mathrm{1103}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 53389440

約数和(自身を除く): 30667640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 103, 200, 206, 412, 515, 824, 1030, 1103, 2060, 2206, 2575, 4120, 4412, 5150, 5515, 8824, 10300, 11030, 20600, 22060, 27575, 44120, 55150, 110300, 113609, 220600, 227218, 454436, 568045, 908872, 1136090, 2272180, 2840225, 4544360, 5680450, 11360900, 22721800]

約数ペア:

[(1, 22721800), (2, 11360900), (4, 5680450), (5, 4544360), (8, 2840225), (10, 2272180), (20, 1136090), (25, 908872), (40, 568045), (50, 454436), (100, 227218), (103, 220600), (200, 113609), (206, 110300), (412, 55150), (515, 44120), (824, 27575), (1030, 22060), (1103, 20600), (2060, 11030), (2206, 10300), (2575, 8824), (4120, 5515), (4412, 5150)]