47349980

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{2389}}^1$

素因数の和:3389

約数の個数: 24

約数和(自身を含む): 99576960

約数和(自身を除く): 52226980

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 2389, 3964, 4778, 4955, 9556, 9910, 11945, 19820, 23890, 47780, 2367499, 4734998, 9469996, 11837495, 23674990, 47349980]

約数ペア:

[(1, 47349980), (2, 23674990), (4, 11837495), (5, 9469996), (10, 4734998), (20, 2367499), (991, 47780), (1982, 23890), (2389, 19820), (3964, 11945), (4778, 9910), (4955, 9556)]