156900080

素因数分解:

$2^4\times 5^1\times {\mathrm{1961251}}^1$

素因数の和:1961264

約数の個数: 20

約数和(自身を含む): 364792872

約数和(自身を除く): 207892792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1961251, 3922502, 7845004, 9806255, 15690008, 19612510, 31380016, 39225020, 78450040, 156900080]

約数ペア:

[(1, 156900080), (2, 78450040), (4, 39225020), (5, 31380016), (8, 19612510), (10, 15690008), (16, 9806255), (20, 7845004), (40, 3922502), (80, 1961251)]