42018590

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{17581}}^1$

素因数の和:17827

約数の個数: 16

約数和(自身を含む): 75954240

約数和(自身を除く): 33935650

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 17581, 35162, 87905, 175810, 4201859, 8403718, 21009295, 42018590]

約数ペア:

[(1, 42018590), (2, 21009295), (5, 8403718), (10, 4201859), (239, 175810), (478, 87905), (1195, 35162), (2390, 17581)]