25855460

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21193}}^1$

素因数の和:21263

約数の個数: 24

約数和(自身を含む): 55189176

約数和(自身を除く): 29333716

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 21193, 42386, 84772, 105965, 211930, 423860, 1292773, 2585546, 5171092, 6463865, 12927730, 25855460]

約数ペア:

[(1, 25855460), (2, 12927730), (4, 6463865), (5, 5171092), (10, 2585546), (20, 1292773), (61, 423860), (122, 211930), (244, 105965), (305, 84772), (610, 42386), (1220, 21193)]