53160280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21787}}^1$

素因数の和:21859

約数の個数: 32

約数和(自身を含む): 121577040

約数和(自身を除く): 68416760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 21787, 43574, 87148, 108935, 174296, 217870, 435740, 871480, 1329007, 2658014, 5316028, 6645035, 10632056, 13290070, 26580140, 53160280]

約数ペア:

[(1, 53160280), (2, 26580140), (4, 13290070), (5, 10632056), (8, 6645035), (10, 5316028), (20, 2658014), (40, 1329007), (61, 871480), (122, 435740), (244, 217870), (305, 174296), (488, 108935), (610, 87148), (1220, 43574), (2440, 21787)]