396156760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{241559}}^1$

素因数の和:241611

約数の個数: 32

約数和(自身を含む): 913096800

約数和(自身を除く): 516940040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 241559, 483118, 966236, 1207795, 1932472, 2415590, 4831180, 9662360, 9903919, 19807838, 39615676, 49519595, 79231352, 99039190, 198078380, 396156760]

約数ペア:

[(1, 396156760), (2, 198078380), (4, 99039190), (5, 79231352), (8, 49519595), (10, 39615676), (20, 19807838), (40, 9903919), (41, 9662360), (82, 4831180), (164, 2415590), (205, 1932472), (328, 1207795), (410, 966236), (820, 483118), (1640, 241559)]