8617870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 16407360

約数和(自身を除く): 7789490

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 421, 445, 842, 890, 2047, 2105, 4094, 4210, 9683, 10235, 19366, 20470, 37469, 48415, 74938, 96830, 187345, 374690, 861787, 1723574, 4308935, 8617870]

約数ペア:

[(1, 8617870), (2, 4308935), (5, 1723574), (10, 861787), (23, 374690), (46, 187345), (89, 96830), (115, 74938), (178, 48415), (230, 37469), (421, 20470), (445, 19366), (842, 10235), (890, 9683), (2047, 4210), (2105, 4094)]