55069640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 129600000

約数和(自身を除く): 74530360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 89, 124, 155, 178, 248, 310, 356, 445, 499, 620, 712, 890, 998, 1240, 1780, 1996, 2495, 2759, 3560, 3992, 4990, 5518, 9980, 11036, 13795, 15469, 19960, 22072, 27590, 30938, 44411, 55180, 61876, 77345, 88822, 110360, 123752, 154690, 177644, 222055, 309380, 355288, 444110, 618760, 888220, 1376741, 1776440, 2753482, 5506964, 6883705, 11013928, 13767410, 27534820, 55069640]

約数ペア:

[(1, 55069640), (2, 27534820), (4, 13767410), (5, 11013928), (8, 6883705), (10, 5506964), (20, 2753482), (31, 1776440), (40, 1376741), (62, 888220), (89, 618760), (124, 444110), (155, 355288), (178, 309380), (248, 222055), (310, 177644), (356, 154690), (445, 123752), (499, 110360), (620, 88822), (712, 77345), (890, 61876), (998, 55180), (1240, 44411), (1780, 30938), (1996, 27590), (2495, 22072), (2759, 19960), (3560, 15469), (3992, 13795), (4990, 11036), (5518, 9980)]