11915960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{42557}}^1$

素因数の和:42575

約数の個数: 32

約数和(自身を含む): 30641760

約数和(自身を除く): 18725800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 42557, 85114, 170228, 212785, 297899, 340456, 425570, 595798, 851140, 1191596, 1489495, 1702280, 2383192, 2978990, 5957980, 11915960]

約数ペア:

[(1, 11915960), (2, 5957980), (4, 2978990), (5, 2383192), (7, 1702280), (8, 1489495), (10, 1191596), (14, 851140), (20, 595798), (28, 425570), (35, 340456), (40, 297899), (56, 212785), (70, 170228), (140, 85114), (280, 42557)]