40905788

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18973}}^1$

素因数の和:19002

約数の個数: 36

約数和(自身を含む): 90847512

約数和(自身を除く): 49941724

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 18973, 37946, 75892, 132811, 208703, 265622, 417406, 531244, 834812, 929677, 1460921, 1859354, 2921842, 3718708, 5843684, 10226447, 20452894, 40905788]

約数ペア:

[(1, 40905788), (2, 20452894), (4, 10226447), (7, 5843684), (11, 3718708), (14, 2921842), (22, 1859354), (28, 1460921), (44, 929677), (49, 834812), (77, 531244), (98, 417406), (154, 265622), (196, 208703), (308, 132811), (539, 75892), (1078, 37946), (2156, 18973)]