61471240

素因数分解:

$2^3\times 5^1\times {\mathrm{1536781}}^1$

素因数の和:1536792

約数の個数: 16

約数和(自身を含む): 138310380

約数和(自身を除く): 76839140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1536781, 3073562, 6147124, 7683905, 12294248, 15367810, 30735620, 61471240]

約数ペア:

[(1, 61471240), (2, 30735620), (4, 15367810), (5, 12294248), (8, 7683905), (10, 6147124), (20, 3073562), (40, 1536781)]