89189980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{10957}}^1$

素因数の和:11014

約数の個数: 48

約数和(自身を含む): 209867616

約数和(自身を除く): 120677636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 10957, 21914, 43828, 54785, 109570, 120527, 219140, 241054, 405409, 482108, 602635, 810818, 1205270, 1621636, 2027045, 2410540, 4054090, 4459499, 8108180, 8918998, 17837996, 22297495, 44594990, 89189980]

約数ペア:

[(1, 89189980), (2, 44594990), (4, 22297495), (5, 17837996), (10, 8918998), (11, 8108180), (20, 4459499), (22, 4054090), (37, 2410540), (44, 2027045), (55, 1621636), (74, 1205270), (110, 810818), (148, 602635), (185, 482108), (220, 405409), (370, 241054), (407, 219140), (740, 120527), (814, 109570), (1628, 54785), (2035, 43828), (4070, 21914), (8140, 10957)]