91461880

素因数分解:

$2^3\times 5^1\times {\mathrm{907}}^1\times {\mathrm{2521}}^1$

素因数の和:3439

約数の個数: 32

約数和(自身を含む): 206097840

約数和(自身を除く): 114635960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 907, 1814, 2521, 3628, 4535, 5042, 7256, 9070, 10084, 12605, 18140, 20168, 25210, 36280, 50420, 100840, 2286547, 4573094, 9146188, 11432735, 18292376, 22865470, 45730940, 91461880]

約数ペア:

[(1, 91461880), (2, 45730940), (4, 22865470), (5, 18292376), (8, 11432735), (10, 9146188), (20, 4573094), (40, 2286547), (907, 100840), (1814, 50420), (2521, 36280), (3628, 25210), (4535, 20168), (5042, 18140), (7256, 12605), (9070, 10084)]