4920993025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{2621}}^1$

素因数の和:2806

約数の個数: 48

約数和(自身を含む): 6759411120

約数和(自身を除く): 1838418095

約数列:

[1, 5, 13, 25, 53, 65, 109, 265, 325, 545, 689, 1325, 1417, 2621, 2725, 3445, 5777, 7085, 13105, 17225, 28885, 34073, 35425, 65525, 75101, 138913, 144425, 170365, 285689, 375505, 694565, 851825, 1428445, 1805869, 1877525, 3472825, 3713957, 7142225, 9029345, 15141517, 18569785, 45146725, 75707585, 92848925, 196839721, 378537925, 984198605, 4920993025]

約数ペア:

[(1, 4920993025), (5, 984198605), (13, 378537925), (25, 196839721), (53, 92848925), (65, 75707585), (109, 45146725), (265, 18569785), (325, 15141517), (545, 9029345), (689, 7142225), (1325, 3713957), (1417, 3472825), (2621, 1877525), (2725, 1805869), (3445, 1428445), (5777, 851825), (7085, 694565), (13105, 375505), (17225, 285689), (28885, 170365), (34073, 144425), (35425, 138913), (65525, 75101)]