15068920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8761}}^1$

素因数の和:8815

約数の個数: 32

約数和(自身を含む): 34697520

約数和(自身を除く): 19628600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 8761, 17522, 35044, 43805, 70088, 87610, 175220, 350440, 376723, 753446, 1506892, 1883615, 3013784, 3767230, 7534460, 15068920]

約数ペア:

[(1, 15068920), (2, 7534460), (4, 3767230), (5, 3013784), (8, 1883615), (10, 1506892), (20, 753446), (40, 376723), (43, 350440), (86, 175220), (172, 87610), (215, 70088), (344, 43805), (430, 35044), (860, 17522), (1720, 8761)]