12402740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{88591}}^1$

素因数の和:88607

約数の個数: 24

約数和(自身を含む): 29766912

約数和(自身を除く): 17364172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 88591, 177182, 354364, 442955, 620137, 885910, 1240274, 1771820, 2480548, 3100685, 6201370, 12402740]

約数ペア:

[(1, 12402740), (2, 6201370), (4, 3100685), (5, 2480548), (7, 1771820), (10, 1240274), (14, 885910), (20, 620137), (28, 442955), (35, 354364), (70, 177182), (140, 88591)]