1317740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1607}}^1$

素因数の和:1657

約数の個数: 24

約数和(自身を含む): 2836512

約数和(自身を除く): 1518772

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1607, 3214, 6428, 8035, 16070, 32140, 65887, 131774, 263548, 329435, 658870, 1317740]

約数ペア:

[(1, 1317740), (2, 658870), (4, 329435), (5, 263548), (10, 131774), (20, 65887), (41, 32140), (82, 16070), (164, 8035), (205, 6428), (410, 3214), (820, 1607)]