80135680

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1361}}^1$

素因数の和:1407

約数の個数: 80

約数和(自身を含む): 200638944

約数和(自身を除く): 120503264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1280, 1361, 1472, 1840, 2560, 2722, 2944, 3680, 5444, 5888, 6805, 7360, 10888, 11776, 13610, 14720, 21776, 27220, 29440, 31303, 43552, 54440, 58880, 62606, 87104, 108880, 125212, 156515, 174208, 217760, 250424, 313030, 348416, 435520, 500848, 626060, 696832, 871040, 1001696, 1252120, 1742080, 2003392, 2504240, 3484160, 4006784, 5008480, 8013568, 10016960, 16027136, 20033920, 40067840, 80135680]

約数ペア:

[(1, 80135680), (2, 40067840), (4, 20033920), (5, 16027136), (8, 10016960), (10, 8013568), (16, 5008480), (20, 4006784), (23, 3484160), (32, 2504240), (40, 2003392), (46, 1742080), (64, 1252120), (80, 1001696), (92, 871040), (115, 696832), (128, 626060), (160, 500848), (184, 435520), (230, 348416), (256, 313030), (320, 250424), (368, 217760), (460, 174208), (512, 156515), (640, 125212), (736, 108880), (920, 87104), (1280, 62606), (1361, 58880), (1472, 54440), (1840, 43552), (2560, 31303), (2722, 29440), (2944, 27220), (3680, 21776), (5444, 14720), (5888, 13610), (6805, 11776), (7360, 10888)]