12309640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43963}}^1$

素因数の和:43981

約数の個数: 32

約数和(自身を含む): 31654080

約数和(自身を除く): 19344440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 43963, 87926, 175852, 219815, 307741, 351704, 439630, 615482, 879260, 1230964, 1538705, 1758520, 2461928, 3077410, 6154820, 12309640]

約数ペア:

[(1, 12309640), (2, 6154820), (4, 3077410), (5, 2461928), (7, 1758520), (8, 1538705), (10, 1230964), (14, 879260), (20, 615482), (28, 439630), (35, 351704), (40, 307741), (56, 219815), (70, 175852), (140, 87926), (280, 43963)]