42638895020

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1123}}^1\times {\mathrm{5471}}^1$

素因数の和:6950

約数の個数: 48

約数和(自身を含む): 89896117248

約数和(自身を除く): 47257222228

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1123, 1388, 1735, 2246, 3470, 4492, 5471, 5615, 6940, 10942, 11230, 21884, 22460, 27355, 54710, 109420, 389681, 779362, 1558724, 1898437, 1948405, 3796874, 3896810, 6143933, 7593748, 7793620, 9492185, 12287866, 18984370, 24575732, 30719665, 37968740, 61439330, 122878660, 2131944751, 4263889502, 8527779004, 10659723755, 21319447510, 42638895020]

約数ペア:

[(1, 42638895020), (2, 21319447510), (4, 10659723755), (5, 8527779004), (10, 4263889502), (20, 2131944751), (347, 122878660), (694, 61439330), (1123, 37968740), (1388, 30719665), (1735, 24575732), (2246, 18984370), (3470, 12287866), (4492, 9492185), (5471, 7793620), (5615, 7593748), (6940, 6143933), (10942, 3896810), (11230, 3796874), (21884, 1948405), (22460, 1898437), (27355, 1558724), (54710, 779362), (109420, 389681)]