15680

素因数分解:

$2^6\times 5^1\times 7^2$

素因数の和:31

約数の個数: 42

約数和(自身を含む): 43434

約数和(自身を除く): 27754

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 15680]

約数ペア:

[(1, 15680), (2, 7840), (4, 3920), (5, 3136), (7, 2240), (8, 1960), (10, 1568), (14, 1120), (16, 980), (20, 784), (28, 560), (32, 490), (35, 448), (40, 392), (49, 320), (56, 280), (64, 245), (70, 224), (80, 196), (98, 160), (112, 140)]