15907790

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4007}}^1$

素因数の和:4411

約数の個数: 16

約数和(自身を含む): 28713312

約数和(自身を除く): 12805522

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 4007, 8014, 20035, 40070, 1590779, 3181558, 7953895, 15907790]

約数ペア:

[(1, 15907790), (2, 7953895), (5, 3181558), (10, 1590779), (397, 40070), (794, 20035), (1985, 8014), (3970, 4007)]