40346840

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5281}}^1$

素因数の和:5483

約数の個数: 32

約数和(自身を含む): 91272960

約数和(自身を除く): 50926120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 5281, 7640, 10562, 21124, 26405, 42248, 52810, 105620, 211240, 1008671, 2017342, 4034684, 5043355, 8069368, 10086710, 20173420, 40346840]

約数ペア:

[(1, 40346840), (2, 20173420), (4, 10086710), (5, 8069368), (8, 5043355), (10, 4034684), (20, 2017342), (40, 1008671), (191, 211240), (382, 105620), (764, 52810), (955, 42248), (1528, 26405), (1910, 21124), (3820, 10562), (5281, 7640)]