12957040

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1087}}^1$

素因数の和:1249

約数の個数: 40

約数和(自身を含む): 30355200

約数和(自身を除く): 17398160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1087, 1192, 1490, 2174, 2384, 2980, 4348, 5435, 5960, 8696, 10870, 11920, 17392, 21740, 43480, 86960, 161963, 323926, 647852, 809815, 1295704, 1619630, 2591408, 3239260, 6478520, 12957040]

約数ペア:

[(1, 12957040), (2, 6478520), (4, 3239260), (5, 2591408), (8, 1619630), (10, 1295704), (16, 809815), (20, 647852), (40, 323926), (80, 161963), (149, 86960), (298, 43480), (596, 21740), (745, 17392), (1087, 11920), (1192, 10870), (1490, 8696), (2174, 5960), (2384, 5435), (2980, 4348)]