40338470

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{18089}}^1$

素因数の和:18319

約数の個数: 16

約数和(自身を含む): 72938880

約数和(自身を除く): 32600410

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 18089, 36178, 90445, 180890, 4033847, 8067694, 20169235, 40338470]

約数ペア:

[(1, 40338470), (2, 20169235), (5, 8067694), (10, 4033847), (223, 180890), (446, 90445), (1115, 36178), (2230, 18089)]