553627640

素因数分解:

$2^3\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{11317}}^1$

素因数の和:12551

約数の個数: 32

約数和(自身を含む): 1246790880

約数和(自身を除く): 693163240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1223, 2446, 4892, 6115, 9784, 11317, 12230, 22634, 24460, 45268, 48920, 56585, 90536, 113170, 226340, 452680, 13840691, 27681382, 55362764, 69203455, 110725528, 138406910, 276813820, 553627640]

約数ペア:

[(1, 553627640), (2, 276813820), (4, 138406910), (5, 110725528), (8, 69203455), (10, 55362764), (20, 27681382), (40, 13840691), (1223, 452680), (2446, 226340), (4892, 113170), (6115, 90536), (9784, 56585), (11317, 48920), (12230, 45268), (22634, 24460)]