40397756

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2609}}^1$

素因数の和:2706

約数の個数: 36

約数和(自身を含む): 83311200

約数和(自身を除く): 42913444

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 553, 1106, 2212, 2609, 3871, 5218, 7742, 10436, 15484, 18263, 36526, 73052, 127841, 206111, 255682, 412222, 511364, 824444, 1442777, 2885554, 5771108, 10099439, 20198878, 40397756]

約数ペア:

[(1, 40397756), (2, 20198878), (4, 10099439), (7, 5771108), (14, 2885554), (28, 1442777), (49, 824444), (79, 511364), (98, 412222), (158, 255682), (196, 206111), (316, 127841), (553, 73052), (1106, 36526), (2212, 18263), (2609, 15484), (3871, 10436), (5218, 7742)]