40290140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4259}}^1$

素因数の和:4322

約数の個数: 48

約数和(自身を含む): 94469760

約数和(自身を除く): 54179620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4259, 4730, 8518, 9460, 17036, 21295, 42590, 46849, 85180, 93698, 183137, 187396, 234245, 366274, 468490, 732548, 915685, 936980, 1831370, 2014507, 3662740, 4029014, 8058028, 10072535, 20145070, 40290140]

約数ペア:

[(1, 40290140), (2, 20145070), (4, 10072535), (5, 8058028), (10, 4029014), (11, 3662740), (20, 2014507), (22, 1831370), (43, 936980), (44, 915685), (55, 732548), (86, 468490), (110, 366274), (172, 234245), (215, 187396), (220, 183137), (430, 93698), (473, 85180), (860, 46849), (946, 42590), (1892, 21295), (2365, 17036), (4259, 9460), (4730, 8518)]