82140020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{87383}}^1$

素因数の和:87439

約数の個数: 24

約数和(自身を含む): 176166144

約数和(自身を除く): 94026124

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 87383, 174766, 349532, 436915, 873830, 1747660, 4107001, 8214002, 16428004, 20535005, 41070010, 82140020]

約数ペア:

[(1, 82140020), (2, 41070010), (4, 20535005), (5, 16428004), (10, 8214002), (20, 4107001), (47, 1747660), (94, 873830), (188, 436915), (235, 349532), (470, 174766), (940, 87383)]