51640048

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{104113}}^1$

素因数の和:104152

約数の個数: 20

約数和(自身を含む): 103281088

約数和(自身を除く): 51641040

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 104113, 208226, 416452, 832904, 1665808, 3227503, 6455006, 12910012, 25820024, 51640048]

約数ペア:

[(1, 51640048), (2, 25820024), (4, 12910012), (8, 6455006), (16, 3227503), (31, 1665808), (62, 832904), (124, 416452), (248, 208226), (496, 104113)]