156051440

素因数分解:

$2^4\times 5^1\times {\mathrm{1950643}}^1$

素因数の和:1950656

約数の個数: 20

約数和(自身を含む): 362819784

約数和(自身を除く): 206768344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1950643, 3901286, 7802572, 9753215, 15605144, 19506430, 31210288, 39012860, 78025720, 156051440]

約数ペア:

[(1, 156051440), (2, 78025720), (4, 39012860), (5, 31210288), (8, 19506430), (10, 15605144), (16, 9753215), (20, 7802572), (40, 3901286), (80, 1950643)]