53949640

素因数分解:

$2^3\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{1321}}^1$

素因数の和:2353

約数の個数: 32

約数和(自身を含む): 121597560

約数和(自身を除く): 67647920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1021, 1321, 2042, 2642, 4084, 5105, 5284, 6605, 8168, 10210, 10568, 13210, 20420, 26420, 40840, 52840, 1348741, 2697482, 5394964, 6743705, 10789928, 13487410, 26974820, 53949640]

約数ペア:

[(1, 53949640), (2, 26974820), (4, 13487410), (5, 10789928), (8, 6743705), (10, 5394964), (20, 2697482), (40, 1348741), (1021, 52840), (1321, 40840), (2042, 26420), (2642, 20420), (4084, 13210), (5105, 10568), (5284, 10210), (6605, 8168)]