80631248

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{162563}}^1$

素因数の和:162602

約数の個数: 20

約数和(自身を含む): 161263488

約数和(自身を除く): 80632240

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 162563, 325126, 650252, 1300504, 2601008, 5039453, 10078906, 20157812, 40315624, 80631248]

約数ペア:

[(1, 80631248), (2, 40315624), (4, 20157812), (8, 10078906), (16, 5039453), (31, 2601008), (62, 1300504), (124, 650252), (248, 325126), (496, 162563)]