12256880

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{439}}^1$

素因数の和:801

約数の個数: 40

約数和(自身を含む): 28644000

約数和(自身を除く): 16387120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 439, 698, 878, 1396, 1745, 1756, 2195, 2792, 3490, 3512, 4390, 5584, 6980, 7024, 8780, 13960, 17560, 27920, 35120, 153211, 306422, 612844, 766055, 1225688, 1532110, 2451376, 3064220, 6128440, 12256880]

約数ペア:

[(1, 12256880), (2, 6128440), (4, 3064220), (5, 2451376), (8, 1532110), (10, 1225688), (16, 766055), (20, 612844), (40, 306422), (80, 153211), (349, 35120), (439, 27920), (698, 17560), (878, 13960), (1396, 8780), (1745, 7024), (1756, 6980), (2195, 5584), (2792, 4390), (3490, 3512)]