51171380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2029}}^1$

素因数の和:2148

約数の個数: 48

約数和(自身を含む): 116976720

約数和(自身を除く): 65805340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1940, 2029, 2522, 4058, 5044, 6305, 8116, 10145, 12610, 20290, 25220, 26377, 40580, 52754, 105508, 131885, 196813, 263770, 393626, 527540, 787252, 984065, 1968130, 2558569, 3936260, 5117138, 10234276, 12792845, 25585690, 51171380]

約数ペア:

[(1, 51171380), (2, 25585690), (4, 12792845), (5, 10234276), (10, 5117138), (13, 3936260), (20, 2558569), (26, 1968130), (52, 984065), (65, 787252), (97, 527540), (130, 393626), (194, 263770), (260, 196813), (388, 131885), (485, 105508), (970, 52754), (1261, 40580), (1940, 26377), (2029, 25220), (2522, 20290), (4058, 12610), (5044, 10145), (6305, 8116)]