80650880

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5479}}^1$

素因数の和:5521

約数の個数: 64

約数和(自身を含む): 201225600

約数和(自身を除く): 120574720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 5479, 7360, 10958, 14720, 21916, 27395, 43832, 54790, 87664, 109580, 126017, 175328, 219160, 252034, 350656, 438320, 504068, 630085, 701312, 876640, 1008136, 1260170, 1753280, 2016272, 2520340, 3506560, 4032544, 5040680, 8065088, 10081360, 16130176, 20162720, 40325440, 80650880]

約数ペア:

[(1, 80650880), (2, 40325440), (4, 20162720), (5, 16130176), (8, 10081360), (10, 8065088), (16, 5040680), (20, 4032544), (23, 3506560), (32, 2520340), (40, 2016272), (46, 1753280), (64, 1260170), (80, 1008136), (92, 876640), (115, 701312), (128, 630085), (160, 504068), (184, 438320), (230, 350656), (320, 252034), (368, 219160), (460, 175328), (640, 126017), (736, 109580), (920, 87664), (1472, 54790), (1840, 43832), (2944, 27395), (3680, 21916), (5479, 14720), (7360, 10958)]