53215220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{85831}}^1$

素因数の和:85871

約数の個数: 24

約数和(自身を含む): 115358208

約数和(自身を除く): 62142988

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 85831, 171662, 343324, 429155, 858310, 1716620, 2660761, 5321522, 10643044, 13303805, 26607610, 53215220]

約数ペア:

[(1, 53215220), (2, 26607610), (4, 13303805), (5, 10643044), (10, 5321522), (20, 2660761), (31, 1716620), (62, 858310), (124, 429155), (155, 343324), (310, 171662), (620, 85831)]