54555820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 131281920

約数和(自身を除く): 76726100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 73, 79, 86, 110, 146, 158, 172, 215, 220, 292, 316, 365, 395, 430, 473, 730, 790, 803, 860, 869, 946, 1460, 1580, 1606, 1738, 1892, 2365, 3139, 3212, 3397, 3476, 4015, 4345, 4730, 5767, 6278, 6794, 8030, 8690, 9460, 11534, 12556, 13588, 15695, 16060, 16985, 17380, 23068, 28835, 31390, 33970, 34529, 37367, 57670, 62780, 63437, 67940, 69058, 74734, 115340, 126874, 138116, 149468, 172645, 186835, 247981, 253748, 317185, 345290, 373670, 495962, 634370, 690580, 747340, 991924, 1239905, 1268740, 2479810, 2727791, 4959620, 5455582, 10911164, 13638955, 27277910, 54555820]

約数ペア:

[(1, 54555820), (2, 27277910), (4, 13638955), (5, 10911164), (10, 5455582), (11, 4959620), (20, 2727791), (22, 2479810), (43, 1268740), (44, 1239905), (55, 991924), (73, 747340), (79, 690580), (86, 634370), (110, 495962), (146, 373670), (158, 345290), (172, 317185), (215, 253748), (220, 247981), (292, 186835), (316, 172645), (365, 149468), (395, 138116), (430, 126874), (473, 115340), (730, 74734), (790, 69058), (803, 67940), (860, 63437), (869, 62780), (946, 57670), (1460, 37367), (1580, 34529), (1606, 33970), (1738, 31390), (1892, 28835), (2365, 23068), (3139, 17380), (3212, 16985), (3397, 16060), (3476, 15695), (4015, 13588), (4345, 12556), (4730, 11534), (5767, 9460), (6278, 8690), (6794, 8030)]