11281520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4549}}^1$

素因数の和:4593

約数の個数: 40

約数和(自身を含む): 27081600

約数和(自身を除く): 15800080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 4549, 9098, 18196, 22745, 36392, 45490, 72784, 90980, 141019, 181960, 282038, 363920, 564076, 705095, 1128152, 1410190, 2256304, 2820380, 5640760, 11281520]

約数ペア:

[(1, 11281520), (2, 5640760), (4, 2820380), (5, 2256304), (8, 1410190), (10, 1128152), (16, 705095), (20, 564076), (31, 363920), (40, 282038), (62, 181960), (80, 141019), (124, 90980), (155, 72784), (248, 45490), (310, 36392), (496, 22745), (620, 18196), (1240, 9098), (2480, 4549)]