39773960

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1439}}^1$

素因数の和:2141

約数の個数: 32

約数和(自身を含む): 89683200

約数和(自身を除く): 49909240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 1439, 2764, 2878, 3455, 5528, 5756, 6910, 7195, 11512, 13820, 14390, 27640, 28780, 57560, 994349, 1988698, 3977396, 4971745, 7954792, 9943490, 19886980, 39773960]

約数ペア:

[(1, 39773960), (2, 19886980), (4, 9943490), (5, 7954792), (8, 4971745), (10, 3977396), (20, 1988698), (40, 994349), (691, 57560), (1382, 28780), (1439, 27640), (2764, 14390), (2878, 13820), (3455, 11512), (5528, 7195), (5756, 6910)]