90445840

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{4937}}^1$

素因数の和:5179

約数の個数: 40

約数和(自身を含む): 211247640

約数和(自身を除く): 120801800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3664, 4580, 4937, 9160, 9874, 18320, 19748, 24685, 39496, 49370, 78992, 98740, 197480, 394960, 1130573, 2261146, 4522292, 5652865, 9044584, 11305730, 18089168, 22611460, 45222920, 90445840]

約数ペア:

[(1, 90445840), (2, 45222920), (4, 22611460), (5, 18089168), (8, 11305730), (10, 9044584), (16, 5652865), (20, 4522292), (40, 2261146), (80, 1130573), (229, 394960), (458, 197480), (916, 98740), (1145, 78992), (1832, 49370), (2290, 39496), (3664, 24685), (4580, 19748), (4937, 18320), (9160, 9874)]