131192800

素因数分解:

$2^5\times 5^2\times {\mathrm{163991}}^1$

素因数の和:164011

約数の個数: 36

約数和(自身を含む): 320276376

約数和(自身を除く): 189083576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 163991, 327982, 655964, 819955, 1311928, 1639910, 2623856, 3279820, 4099775, 5247712, 6559640, 8199550, 13119280, 16399100, 26238560, 32798200, 65596400, 131192800]

約数ペア:

[(1, 131192800), (2, 65596400), (4, 32798200), (5, 26238560), (8, 16399100), (10, 13119280), (16, 8199550), (20, 6559640), (25, 5247712), (32, 4099775), (40, 3279820), (50, 2623856), (80, 1639910), (100, 1311928), (160, 819955), (200, 655964), (400, 327982), (800, 163991)]