39918790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{769}}^1$

素因数の和:984

約数の個数: 32

約数和(自身を含む): 74844000

約数和(自身を除く): 34925210

約数列:

[1, 2, 5, 10, 29, 58, 145, 179, 290, 358, 769, 895, 1538, 1790, 3845, 5191, 7690, 10382, 22301, 25955, 44602, 51910, 111505, 137651, 223010, 275302, 688255, 1376510, 3991879, 7983758, 19959395, 39918790]

約数ペア:

[(1, 39918790), (2, 19959395), (5, 7983758), (10, 3991879), (29, 1376510), (58, 688255), (145, 275302), (179, 223010), (290, 137651), (358, 111505), (769, 51910), (895, 44602), (1538, 25955), (1790, 22301), (3845, 10382), (5191, 7690)]