13939880

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{619}}^1$

素因数の和:1193

約数の個数: 32

約数和(自身を含む): 31471200

約数和(自身を除く): 17531320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 619, 1126, 1238, 2252, 2476, 2815, 3095, 4504, 4952, 5630, 6190, 11260, 12380, 22520, 24760, 348497, 696994, 1393988, 1742485, 2787976, 3484970, 6969940, 13939880]

約数ペア:

[(1, 13939880), (2, 6969940), (4, 3484970), (5, 2787976), (8, 1742485), (10, 1393988), (20, 696994), (40, 348497), (563, 24760), (619, 22520), (1126, 12380), (1238, 11260), (2252, 6190), (2476, 5630), (2815, 4952), (3095, 4504)]