38965090

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{43781}}^1$

素因数の和:43877

約数の個数: 16

約数和(自身を含む): 70926840

約数和(自身を除く): 31961750

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 43781, 87562, 218905, 437810, 3896509, 7793018, 19482545, 38965090]

約数ペア:

[(1, 38965090), (2, 19482545), (5, 7793018), (10, 3896509), (89, 437810), (178, 218905), (445, 87562), (890, 43781)]