54381440

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2741}}^1$

素因数の和:2791

約数の個数: 64

約数和(自身を含む): 134248320

約数和(自身を除く): 79866880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 2741, 3968, 4960, 5482, 9920, 10964, 13705, 19840, 21928, 27410, 43856, 54820, 84971, 87712, 109640, 169942, 175424, 219280, 339884, 350848, 424855, 438560, 679768, 849710, 877120, 1359536, 1699420, 1754240, 2719072, 3398840, 5438144, 6797680, 10876288, 13595360, 27190720, 54381440]

約数ペア:

[(1, 54381440), (2, 27190720), (4, 13595360), (5, 10876288), (8, 6797680), (10, 5438144), (16, 3398840), (20, 2719072), (31, 1754240), (32, 1699420), (40, 1359536), (62, 877120), (64, 849710), (80, 679768), (124, 438560), (128, 424855), (155, 350848), (160, 339884), (248, 219280), (310, 175424), (320, 169942), (496, 109640), (620, 87712), (640, 84971), (992, 54820), (1240, 43856), (1984, 27410), (2480, 21928), (2741, 19840), (3968, 13705), (4960, 10964), (5482, 9920)]