28123600

素因数分解:

$2^4\times 5^2\times {\mathrm{70309}}^1$

素因数の和:70327

約数の個数: 30

約数和(自身を含む): 67567910

約数和(自身を除く): 39444310

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 70309, 140618, 281236, 351545, 562472, 703090, 1124944, 1406180, 1757725, 2812360, 3515450, 5624720, 7030900, 14061800, 28123600]

約数ペア:

[(1, 28123600), (2, 14061800), (4, 7030900), (5, 5624720), (8, 3515450), (10, 2812360), (16, 1757725), (20, 1406180), (25, 1124944), (40, 703090), (50, 562472), (80, 351545), (100, 281236), (200, 140618), (400, 70309)]