15899990

素因数分解:

$2^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{2939}}^1$

素因数の和:3487

約数の個数: 16

約数和(自身を含む): 28682640

約数和(自身を除く): 12782650

約数列:

[1, 2, 5, 10, 541, 1082, 2705, 2939, 5410, 5878, 14695, 29390, 1589999, 3179998, 7949995, 15899990]

約数ペア:

[(1, 15899990), (2, 7949995), (5, 3179998), (10, 1589999), (541, 29390), (1082, 14695), (2705, 5878), (2939, 5410)]