90420880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{9341}}^1$

素因数の和:9376

約数の個数: 60

約数和(自身を含む): 231102396

約数和(自身を除く): 140681516

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 9341, 9680, 18682, 37364, 46705, 74728, 93410, 102751, 149456, 186820, 205502, 373640, 411004, 513755, 747280, 822008, 1027510, 1130261, 1644016, 2055020, 2260522, 4110040, 4521044, 5651305, 8220080, 9042088, 11302610, 18084176, 22605220, 45210440, 90420880]

約数ペア:

[(1, 90420880), (2, 45210440), (4, 22605220), (5, 18084176), (8, 11302610), (10, 9042088), (11, 8220080), (16, 5651305), (20, 4521044), (22, 4110040), (40, 2260522), (44, 2055020), (55, 1644016), (80, 1130261), (88, 1027510), (110, 822008), (121, 747280), (176, 513755), (220, 411004), (242, 373640), (440, 205502), (484, 186820), (605, 149456), (880, 102751), (968, 93410), (1210, 74728), (1936, 46705), (2420, 37364), (4840, 18682), (9341, 9680)]