40402780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1783}}^1$

素因数の和:1906

約数の個数: 48

約数和(自身を含む): 93510144

約数和(自身を除く): 53107364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 515, 1030, 1133, 1783, 2060, 2266, 3566, 4532, 5665, 7132, 8915, 11330, 17830, 19613, 22660, 35660, 39226, 78452, 98065, 183649, 196130, 367298, 392260, 734596, 918245, 1836490, 2020139, 3672980, 4040278, 8080556, 10100695, 20201390, 40402780]

約数ペア:

[(1, 40402780), (2, 20201390), (4, 10100695), (5, 8080556), (10, 4040278), (11, 3672980), (20, 2020139), (22, 1836490), (44, 918245), (55, 734596), (103, 392260), (110, 367298), (206, 196130), (220, 183649), (412, 98065), (515, 78452), (1030, 39226), (1133, 35660), (1783, 22660), (2060, 19613), (2266, 17830), (3566, 11330), (4532, 8915), (5665, 7132)]