13937500

素因数分解:

$2^2\times 5^6\times {\mathrm{223}}^1$

素因数の和:257

約数の個数: 42

約数和(自身を含む): 30624608

約数和(自身を除く): 16687108

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 223, 250, 446, 500, 625, 892, 1115, 1250, 2230, 2500, 3125, 4460, 5575, 6250, 11150, 12500, 15625, 22300, 27875, 31250, 55750, 62500, 111500, 139375, 278750, 557500, 696875, 1393750, 2787500, 3484375, 6968750, 13937500]

約数ペア:

[(1, 13937500), (2, 6968750), (4, 3484375), (5, 2787500), (10, 1393750), (20, 696875), (25, 557500), (50, 278750), (100, 139375), (125, 111500), (223, 62500), (250, 55750), (446, 31250), (500, 27875), (625, 22300), (892, 15625), (1115, 12500), (1250, 11150), (2230, 6250), (2500, 5575), (3125, 4460)]