12479080

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1399}}^1$

素因数の和:1633

約数の個数: 32

約数和(自身を含む): 28224000

約数和(自身を除く): 15744920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1399, 1784, 2230, 2798, 4460, 5596, 6995, 8920, 11192, 13990, 27980, 55960, 311977, 623954, 1247908, 1559885, 2495816, 3119770, 6239540, 12479080]

約数ペア:

[(1, 12479080), (2, 6239540), (4, 3119770), (5, 2495816), (8, 1559885), (10, 1247908), (20, 623954), (40, 311977), (223, 55960), (446, 27980), (892, 13990), (1115, 11192), (1399, 8920), (1784, 6995), (2230, 5596), (2798, 4460)]