12425560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 32256000

約数和(自身を除く): 19830440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 223, 280, 398, 446, 796, 892, 995, 1115, 1393, 1561, 1592, 1784, 1990, 2230, 2786, 3122, 3980, 4460, 5572, 6244, 6965, 7805, 7960, 8920, 11144, 12488, 13930, 15610, 27860, 31220, 44377, 55720, 62440, 88754, 177508, 221885, 310639, 355016, 443770, 621278, 887540, 1242556, 1553195, 1775080, 2485112, 3106390, 6212780, 12425560]

約数ペア:

[(1, 12425560), (2, 6212780), (4, 3106390), (5, 2485112), (7, 1775080), (8, 1553195), (10, 1242556), (14, 887540), (20, 621278), (28, 443770), (35, 355016), (40, 310639), (56, 221885), (70, 177508), (140, 88754), (199, 62440), (223, 55720), (280, 44377), (398, 31220), (446, 27860), (796, 15610), (892, 13930), (995, 12488), (1115, 11144), (1393, 8920), (1561, 7960), (1592, 7805), (1784, 6965), (1990, 6244), (2230, 5572), (2786, 4460), (3122, 3980)]