51518480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49537}}^1$

素因数の和:49563

約数の個数: 40

約数和(自身を含む): 128996952

約数和(自身を除く): 77478472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 49537, 99074, 198148, 247685, 396296, 495370, 643981, 792592, 990740, 1287962, 1981480, 2575924, 3219905, 3962960, 5151848, 6439810, 10303696, 12879620, 25759240, 51518480]

約数ペア:

[(1, 51518480), (2, 25759240), (4, 12879620), (5, 10303696), (8, 6439810), (10, 5151848), (13, 3962960), (16, 3219905), (20, 2575924), (26, 1981480), (40, 1287962), (52, 990740), (65, 792592), (80, 643981), (104, 495370), (130, 396296), (208, 247685), (260, 198148), (520, 99074), (1040, 49537)]