9811780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 22748544

約数和(自身を除く): 12936764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 433, 515, 866, 1030, 1133, 1732, 2060, 2165, 2266, 4330, 4532, 4763, 5665, 8660, 9526, 11330, 19052, 22660, 23815, 44599, 47630, 89198, 95260, 178396, 222995, 445990, 490589, 891980, 981178, 1962356, 2452945, 4905890, 9811780]

約数ペア:

[(1, 9811780), (2, 4905890), (4, 2452945), (5, 1962356), (10, 981178), (11, 891980), (20, 490589), (22, 445990), (44, 222995), (55, 178396), (103, 95260), (110, 89198), (206, 47630), (220, 44599), (412, 23815), (433, 22660), (515, 19052), (866, 11330), (1030, 9526), (1133, 8660), (1732, 5665), (2060, 4763), (2165, 4532), (2266, 4330)]