51615590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20897}}^1$

素因数の和:20936

約数の個数: 32

約数和(自身を含む): 105325920

約数和(自身を除く): 53710330

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 20897, 41794, 104485, 208970, 271661, 397043, 543322, 794086, 1358305, 1985215, 2716610, 3970430, 5161559, 10323118, 25807795, 51615590]

約数ペア:

[(1, 51615590), (2, 25807795), (5, 10323118), (10, 5161559), (13, 3970430), (19, 2716610), (26, 1985215), (38, 1358305), (65, 794086), (95, 543322), (130, 397043), (190, 271661), (247, 208970), (494, 104485), (1235, 41794), (2470, 20897)]