49486720

素因数分解:

$2^7\times 5^1\times {\mathrm{77323}}^1$

素因数の和:77342

約数の個数: 32

約数和(自身を含む): 118305720

約数和(自身を除く): 68819000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 77323, 154646, 309292, 386615, 618584, 773230, 1237168, 1546460, 2474336, 3092920, 4948672, 6185840, 9897344, 12371680, 24743360, 49486720]

約数ペア:

[(1, 49486720), (2, 24743360), (4, 12371680), (5, 9897344), (8, 6185840), (10, 4948672), (16, 3092920), (20, 2474336), (32, 1546460), (40, 1237168), (64, 773230), (80, 618584), (128, 386615), (160, 309292), (320, 154646), (640, 77323)]