137699440

素因数分解:

$2^4\times 5^1\times {\mathrm{1721243}}^1$

素因数の和:1721256

約数の個数: 20

約数和(自身を含む): 320151384

約数和(自身を除く): 182451944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1721243, 3442486, 6884972, 8606215, 13769944, 17212430, 27539888, 34424860, 68849720, 137699440]

約数ペア:

[(1, 137699440), (2, 68849720), (4, 34424860), (5, 27539888), (8, 17212430), (10, 13769944), (16, 8606215), (20, 6884972), (40, 3442486), (80, 1721243)]