40739990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12613}}^1$

素因数の和:12656

約数の個数: 32

約数和(自身を含む): 81738720

約数和(自身を除く): 40998730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 12613, 25226, 63065, 126130, 214421, 239647, 428842, 479294, 1072105, 1198235, 2144210, 2396470, 4073999, 8147998, 20369995, 40739990]

約数ペア:

[(1, 40739990), (2, 20369995), (5, 8147998), (10, 4073999), (17, 2396470), (19, 2144210), (34, 1198235), (38, 1072105), (85, 479294), (95, 428842), (170, 239647), (190, 214421), (323, 126130), (646, 63065), (1615, 25226), (3230, 12613)]