90147560

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{4003}}^1$

素因数の和:4577

約数の個数: 32

約数和(自身を含む): 203243040

約数和(自身を除く): 113095480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2252, 2815, 4003, 4504, 5630, 8006, 11260, 16012, 20015, 22520, 32024, 40030, 80060, 160120, 2253689, 4507378, 9014756, 11268445, 18029512, 22536890, 45073780, 90147560]

約数ペア:

[(1, 90147560), (2, 45073780), (4, 22536890), (5, 18029512), (8, 11268445), (10, 9014756), (20, 4507378), (40, 2253689), (563, 160120), (1126, 80060), (2252, 40030), (2815, 32024), (4003, 22520), (4504, 20015), (5630, 16012), (8006, 11260)]