71405320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{255019}}^1$

素因数の和:255037

約数の個数: 32

約数和(自身を含む): 183614400

約数和(自身を除く): 112209080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 255019, 510038, 1020076, 1275095, 1785133, 2040152, 2550190, 3570266, 5100380, 7140532, 8925665, 10200760, 14281064, 17851330, 35702660, 71405320]

約数ペア:

[(1, 71405320), (2, 35702660), (4, 17851330), (5, 14281064), (7, 10200760), (8, 8925665), (10, 7140532), (14, 5100380), (20, 3570266), (28, 2550190), (35, 2040152), (40, 1785133), (56, 1275095), (70, 1020076), (140, 510038), (280, 255019)]