140630480

素因数分解:

$2^4\times 5^1\times {\mathrm{1757881}}^1$

素因数の和:1757894

約数の個数: 20

約数和(自身を含む): 326966052

約数和(自身を除く): 186335572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1757881, 3515762, 7031524, 8789405, 14063048, 17578810, 28126096, 35157620, 70315240, 140630480]

約数ペア:

[(1, 140630480), (2, 70315240), (4, 35157620), (5, 28126096), (8, 17578810), (10, 14063048), (16, 8789405), (20, 7031524), (40, 3515762), (80, 1757881)]