55600

素因数分解:

$2^4\times 5^2\times {\mathrm{139}}^1$

素因数の和:157

約数の個数: 30

約数和(自身を含む): 134540

約数和(自身を除く): 78940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 139, 200, 278, 400, 556, 695, 1112, 1390, 2224, 2780, 3475, 5560, 6950, 11120, 13900, 27800, 55600]

約数ペア:

[(1, 55600), (2, 27800), (4, 13900), (5, 11120), (8, 6950), (10, 5560), (16, 3475), (20, 2780), (25, 2224), (40, 1390), (50, 1112), (80, 695), (100, 556), (139, 400), (200, 278)]