140872280

素因数分解:

$2^3\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{2707}}^1$

素因数の和:4019

約数の個数: 32

約数和(自身を含む): 317323440

約数和(自身を除く): 176451160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1301, 2602, 2707, 5204, 5414, 6505, 10408, 10828, 13010, 13535, 21656, 26020, 27070, 52040, 54140, 108280, 3521807, 7043614, 14087228, 17609035, 28174456, 35218070, 70436140, 140872280]

約数ペア:

[(1, 140872280), (2, 70436140), (4, 35218070), (5, 28174456), (8, 17609035), (10, 14087228), (20, 7043614), (40, 3521807), (1301, 108280), (2602, 54140), (2707, 52040), (5204, 27070), (5414, 26020), (6505, 21656), (10408, 13535), (10828, 13010)]