8340220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1453}}^1$

素因数の和:1510

約数の個数: 48

約数和(自身を含む): 20518848

約数和(自身を除く): 12178628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 1453, 2870, 2906, 5740, 5812, 7265, 10171, 14530, 20342, 29060, 40684, 50855, 59573, 101710, 119146, 203420, 238292, 297865, 417011, 595730, 834022, 1191460, 1668044, 2085055, 4170110, 8340220]

約数ペア:

[(1, 8340220), (2, 4170110), (4, 2085055), (5, 1668044), (7, 1191460), (10, 834022), (14, 595730), (20, 417011), (28, 297865), (35, 238292), (41, 203420), (70, 119146), (82, 101710), (140, 59573), (164, 50855), (205, 40684), (287, 29060), (410, 20342), (574, 14530), (820, 10171), (1148, 7265), (1435, 5812), (1453, 5740), (2870, 2906)]