12478480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{22283}}^1$

素因数の和:22303

約数の個数: 40

約数和(自身を含む): 33158592

約数和(自身を除く): 20680112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 22283, 44566, 89132, 111415, 155981, 178264, 222830, 311962, 356528, 445660, 623924, 779905, 891320, 1247848, 1559810, 1782640, 2495696, 3119620, 6239240, 12478480]

約数ペア:

[(1, 12478480), (2, 6239240), (4, 3119620), (5, 2495696), (7, 1782640), (8, 1559810), (10, 1247848), (14, 891320), (16, 779905), (20, 623924), (28, 445660), (35, 356528), (40, 311962), (56, 222830), (70, 178264), (80, 155981), (112, 111415), (140, 89132), (280, 44566), (560, 22283)]