15697912240

素因数分解:

$2^4\times 5^1\times {\mathrm{196223903}}^1$

素因数の和:196223916

約数の個数: 20

約数和(自身を含む): 36497646144

約数和(自身を除く): 20799733904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196223903, 392447806, 784895612, 981119515, 1569791224, 1962239030, 3139582448, 3924478060, 7848956120, 15697912240]

約数ペア:

[(1, 15697912240), (2, 7848956120), (4, 3924478060), (5, 3139582448), (8, 1962239030), (10, 1569791224), (16, 981119515), (20, 784895612), (40, 392447806), (80, 196223903)]