54070820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{87211}}^1$

素因数の和:87251

約数の個数: 24

約数和(自身を含む): 117212928

約数和(自身を除く): 63142108

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 87211, 174422, 348844, 436055, 872110, 1744220, 2703541, 5407082, 10814164, 13517705, 27035410, 54070820]

約数ペア:

[(1, 54070820), (2, 27035410), (4, 13517705), (5, 10814164), (10, 5407082), (20, 2703541), (31, 1744220), (62, 872110), (124, 436055), (155, 348844), (310, 174422), (620, 87211)]