54387020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{87721}}^1$

素因数の和:87761

約数の個数: 24

約数和(自身を含む): 117898368

約数和(自身を除く): 63511348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 87721, 175442, 350884, 438605, 877210, 1754420, 2719351, 5438702, 10877404, 13596755, 27193510, 54387020]

約数ペア:

[(1, 54387020), (2, 27193510), (4, 13596755), (5, 10877404), (10, 5438702), (20, 2719351), (31, 1754420), (62, 877210), (124, 438605), (155, 350884), (310, 175442), (620, 87721)]