4573640

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1049}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 10395000

約数和(自身を除く): 5821360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1049, 1090, 2098, 2180, 4196, 4360, 5245, 8392, 10490, 20980, 41960, 114341, 228682, 457364, 571705, 914728, 1143410, 2286820, 4573640]

約数ペア:

[(1, 4573640), (2, 2286820), (4, 1143410), (5, 914728), (8, 571705), (10, 457364), (20, 228682), (40, 114341), (109, 41960), (218, 20980), (436, 10490), (545, 8392), (872, 5245), (1049, 4360), (1090, 4196), (2098, 2180)]