51357540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65843}}^1$

素因数の和:65868

約数の個数: 48

約数和(自身を含む): 154865088

約数和(自身を除く): 103507548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 65843, 131686, 197529, 263372, 329215, 395058, 658430, 790116, 855959, 987645, 1316860, 1711918, 1975290, 2567877, 3423836, 3950580, 4279795, 5135754, 8559590, 10271508, 12839385, 17119180, 25678770, 51357540]

約数ペア:

[(1, 51357540), (2, 25678770), (3, 17119180), (4, 12839385), (5, 10271508), (6, 8559590), (10, 5135754), (12, 4279795), (13, 3950580), (15, 3423836), (20, 2567877), (26, 1975290), (30, 1711918), (39, 1316860), (52, 987645), (60, 855959), (65, 790116), (78, 658430), (130, 395058), (156, 329215), (195, 263372), (260, 197529), (390, 131686), (780, 65843)]