80916440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9679}}^1$

素因数の和:9720

約数の個数: 64

約数和(自身を含む): 209088000

約数和(自身を除く): 128171560

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 9679, 19358, 38716, 48395, 77432, 96790, 106469, 183901, 193580, 212938, 367802, 387160, 425876, 532345, 735604, 851752, 919505, 1064690, 1471208, 1839010, 2022911, 2129380, 3678020, 4045822, 4258760, 7356040, 8091644, 10114555, 16183288, 20229110, 40458220, 80916440]

約数ペア:

[(1, 80916440), (2, 40458220), (4, 20229110), (5, 16183288), (8, 10114555), (10, 8091644), (11, 7356040), (19, 4258760), (20, 4045822), (22, 3678020), (38, 2129380), (40, 2022911), (44, 1839010), (55, 1471208), (76, 1064690), (88, 919505), (95, 851752), (110, 735604), (152, 532345), (190, 425876), (209, 387160), (220, 367802), (380, 212938), (418, 193580), (440, 183901), (760, 106469), (836, 96790), (1045, 77432), (1672, 48395), (2090, 38716), (4180, 19358), (8360, 9679)]