7870520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{28109}}^1$

素因数の和:28127

約数の個数: 32

約数和(自身を含む): 20239200

約数和(自身を除く): 12368680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 28109, 56218, 112436, 140545, 196763, 224872, 281090, 393526, 562180, 787052, 983815, 1124360, 1574104, 1967630, 3935260, 7870520]

約数ペア:

[(1, 7870520), (2, 3935260), (4, 1967630), (5, 1574104), (7, 1124360), (8, 983815), (10, 787052), (14, 562180), (20, 393526), (28, 281090), (35, 224872), (40, 196763), (56, 140545), (70, 112436), (140, 56218), (280, 28109)]