1966400

素因数分解:

$2^6\times 5^2\times {\mathrm{1229}}^1$

素因数の和:1251

約数の個数: 42

約数和(自身を含む): 4842510

約数和(自身を除く): 2876110

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1229, 1600, 2458, 4916, 6145, 9832, 12290, 19664, 24580, 30725, 39328, 49160, 61450, 78656, 98320, 122900, 196640, 245800, 393280, 491600, 983200, 1966400]

約数ペア:

[(1, 1966400), (2, 983200), (4, 491600), (5, 393280), (8, 245800), (10, 196640), (16, 122900), (20, 98320), (25, 78656), (32, 61450), (40, 49160), (50, 39328), (64, 30725), (80, 24580), (100, 19664), (160, 12290), (200, 9832), (320, 6145), (400, 4916), (800, 2458), (1229, 1600)]