56513860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217361}}^1$

素因数の和:217383

約数の個数: 24

約数和(自身を含む): 127808856

約数和(自身を除く): 71294996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 217361, 434722, 869444, 1086805, 2173610, 2825693, 4347220, 5651386, 11302772, 14128465, 28256930, 56513860]

約数ペア:

[(1, 56513860), (2, 28256930), (4, 14128465), (5, 11302772), (10, 5651386), (13, 4347220), (20, 2825693), (26, 2173610), (52, 1086805), (65, 869444), (130, 434722), (260, 217361)]