71475640

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{13043}}^1$

素因数の和:13191

約数の個数: 32

約数和(自身を含む): 162006480

約数和(自身を除く): 90530840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 13043, 26086, 52172, 65215, 104344, 130430, 260860, 521720, 1786891, 3573782, 7147564, 8934455, 14295128, 17868910, 35737820, 71475640]

約数ペア:

[(1, 71475640), (2, 35737820), (4, 17868910), (5, 14295128), (8, 8934455), (10, 7147564), (20, 3573782), (40, 1786891), (137, 521720), (274, 260860), (548, 130430), (685, 104344), (1096, 65215), (1370, 52172), (2740, 26086), (5480, 13043)]