51256140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65713}}^1$

素因数の和:65738

約数の個数: 48

約数和(自身を含む): 154559328

約数和(自身を除く): 103303188

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, 65713, 131426, 197139, 262852, 328565, 394278, 657130, 788556, 854269, 985695, 1314260, 1708538, 1971390, 2562807, 3417076, 3942780, 4271345, 5125614, 8542690, 10251228, 12814035, 17085380, 25628070, 51256140]

約数ペア:

[(1, 51256140), (2, 25628070), (3, 17085380), (4, 12814035), (5, 10251228), (6, 8542690), (10, 5125614), (12, 4271345), (13, 3942780), (15, 3417076), (20, 2562807), (26, 1971390), (30, 1708538), (39, 1314260), (52, 985695), (60, 854269), (65, 788556), (78, 657130), (130, 394278), (156, 328565), (195, 262852), (260, 197139), (390, 131426), (780, 65713)]