220528040

素因数分解:

$2^3\times 5^1\times {\mathrm{5513201}}^1$

素因数の和:5513212

約数の個数: 16

約数和(自身を含む): 496188180

約数和(自身を除く): 275660140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5513201, 11026402, 22052804, 27566005, 44105608, 55132010, 110264020, 220528040]

約数ペア:

[(1, 220528040), (2, 110264020), (4, 55132010), (5, 44105608), (8, 27566005), (10, 22052804), (20, 11026402), (40, 5513201)]