84642860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{947}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 183949920

約数和(自身を除く): 99307060

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 410, 436, 545, 820, 947, 1090, 1894, 2180, 3788, 4469, 4735, 8938, 9470, 17876, 18940, 22345, 38827, 44690, 77654, 89380, 103223, 155308, 194135, 206446, 388270, 412892, 516115, 776540, 1032230, 2064460, 4232143, 8464286, 16928572, 21160715, 42321430, 84642860]

約数ペア:

[(1, 84642860), (2, 42321430), (4, 21160715), (5, 16928572), (10, 8464286), (20, 4232143), (41, 2064460), (82, 1032230), (109, 776540), (164, 516115), (205, 412892), (218, 388270), (410, 206446), (436, 194135), (545, 155308), (820, 103223), (947, 89380), (1090, 77654), (1894, 44690), (2180, 38827), (3788, 22345), (4469, 18940), (4735, 17876), (8938, 9470)]