156915208880

素因数分解:

$2^4\times 5^1\times {\mathrm{1961440111}}^1$

素因数の和:1961440124

約数の個数: 20

約数和(自身を含む): 364827860832

約数和(自身を除く): 207912651952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1961440111, 3922880222, 7845760444, 9807200555, 15691520888, 19614401110, 31383041776, 39228802220, 78457604440, 156915208880]

約数ペア:

[(1, 156915208880), (2, 78457604440), (4, 39228802220), (5, 31383041776), (8, 19614401110), (10, 15691520888), (16, 9807200555), (20, 7845760444), (40, 3922880222), (80, 1961440111)]