15899120

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{563}}^1$

素因数の和:929

約数の個数: 40

約数和(自身を含む): 37136016

約数和(自身を除く): 21236896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 563, 706, 1126, 1412, 1765, 2252, 2815, 2824, 3530, 4504, 5630, 5648, 7060, 9008, 11260, 14120, 22520, 28240, 45040, 198739, 397478, 794956, 993695, 1589912, 1987390, 3179824, 3974780, 7949560, 15899120]

約数ペア:

[(1, 15899120), (2, 7949560), (4, 3974780), (5, 3179824), (8, 1987390), (10, 1589912), (16, 993695), (20, 794956), (40, 397478), (80, 198739), (353, 45040), (563, 28240), (706, 22520), (1126, 14120), (1412, 11260), (1765, 9008), (2252, 7060), (2815, 5648), (2824, 5630), (3530, 4504)]