40428332

素因数分解:

$2^2\times 7^2\times {\mathrm{313}}^1\times {\mathrm{659}}^1$

素因数の和:990

約数の個数: 36

約数和(自身を含む): 82688760

約数和(自身を除く): 42260428

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 313, 626, 659, 1252, 1318, 2191, 2636, 4382, 4613, 8764, 9226, 15337, 18452, 30674, 32291, 61348, 64582, 129164, 206267, 412534, 825068, 1443869, 2887738, 5775476, 10107083, 20214166, 40428332]

約数ペア:

[(1, 40428332), (2, 20214166), (4, 10107083), (7, 5775476), (14, 2887738), (28, 1443869), (49, 825068), (98, 412534), (196, 206267), (313, 129164), (626, 64582), (659, 61348), (1252, 32291), (1318, 30674), (2191, 18452), (2636, 15337), (4382, 9226), (4613, 8764)]