9147280

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1049}}^1$

素因数の和:1171

約数の個数: 40

約数和(自身を含む): 21483000

約数和(自身を除く): 12335720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1049, 1090, 1744, 2098, 2180, 4196, 4360, 5245, 8392, 8720, 10490, 16784, 20980, 41960, 83920, 114341, 228682, 457364, 571705, 914728, 1143410, 1829456, 2286820, 4573640, 9147280]

約数ペア:

[(1, 9147280), (2, 4573640), (4, 2286820), (5, 1829456), (8, 1143410), (10, 914728), (16, 571705), (20, 457364), (40, 228682), (80, 114341), (109, 83920), (218, 41960), (436, 20980), (545, 16784), (872, 10490), (1049, 8720), (1090, 8392), (1744, 5245), (2098, 4360), (2180, 4196)]