12956080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2281}}^1$

素因数の和:2365

約数の個数: 40

約数和(自身を含む): 30560544

約数和(自身を除く): 17604464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2281, 2840, 4562, 5680, 9124, 11405, 18248, 22810, 36496, 45620, 91240, 161951, 182480, 323902, 647804, 809755, 1295608, 1619510, 2591216, 3239020, 6478040, 12956080]

約数ペア:

[(1, 12956080), (2, 6478040), (4, 3239020), (5, 2591216), (8, 1619510), (10, 1295608), (16, 809755), (20, 647804), (40, 323902), (71, 182480), (80, 161951), (142, 91240), (284, 45620), (355, 36496), (568, 22810), (710, 18248), (1136, 11405), (1420, 9124), (2281, 5680), (2840, 4562)]