40145090

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{8941}}^1$

素因数の和:9397

約数の個数: 16

約数和(自身を含む): 72430200

約数和(自身を除く): 32285110

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 8941, 17882, 44705, 89410, 4014509, 8029018, 20072545, 40145090]

約数ペア:

[(1, 40145090), (2, 20072545), (5, 8029018), (10, 4014509), (449, 89410), (898, 44705), (2245, 17882), (4490, 8941)]