90507880

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{4019}}^1$

素因数の和:4593

約数の個数: 32

約数和(自身を含む): 204055200

約数和(自身を除く): 113547320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2252, 2815, 4019, 4504, 5630, 8038, 11260, 16076, 20095, 22520, 32152, 40190, 80380, 160760, 2262697, 4525394, 9050788, 11313485, 18101576, 22626970, 45253940, 90507880]

約数ペア:

[(1, 90507880), (2, 45253940), (4, 22626970), (5, 18101576), (8, 11313485), (10, 9050788), (20, 4525394), (40, 2262697), (563, 160760), (1126, 80380), (2252, 40190), (2815, 32152), (4019, 22520), (4504, 20095), (5630, 16076), (8038, 11260)]