3136806440

素因数分解:

$2^3\times 5^1\times {\mathrm{78420161}}^1$

素因数の和:78420172

約数の個数: 16

約数和(自身を含む): 7057814580

約数和(自身を除く): 3921008140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 78420161, 156840322, 313680644, 392100805, 627361288, 784201610, 1568403220, 3136806440]

約数ペア:

[(1, 3136806440), (2, 1568403220), (4, 784201610), (5, 627361288), (8, 392100805), (10, 313680644), (20, 156840322), (40, 78420161)]