40018970

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{31511}}^1$

素因数の和:31645

約数の個数: 16

約数和(自身を含む): 72603648

約数和(自身を除く): 32584678

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 31511, 63022, 157555, 315110, 4001897, 8003794, 20009485, 40018970]

約数ペア:

[(1, 40018970), (2, 20009485), (5, 8003794), (10, 4001897), (127, 315110), (254, 157555), (635, 63022), (1270, 31511)]