2001800510

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6457421}}^1$

素因数の和:6457459

約数の個数: 16

約数和(自身を含む): 3719475072

約数和(自身を除く): 1717674562

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 6457421, 12914842, 32287105, 64574210, 200180051, 400360102, 1000900255, 2001800510]

約数ペア:

[(1, 2001800510), (2, 1000900255), (5, 400360102), (10, 200180051), (31, 64574210), (62, 32287105), (155, 12914842), (310, 6457421)]