54172625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:135

約数の個数: 64

約数和(自身を含む): 80668224

約数和(自身を除く): 26495599

約数列:

[1, 5, 13, 17, 25, 37, 53, 65, 85, 125, 185, 221, 265, 325, 425, 481, 629, 689, 901, 925, 1105, 1325, 1625, 1961, 2125, 2405, 3145, 3445, 4505, 4625, 5525, 6625, 8177, 9805, 11713, 12025, 15725, 17225, 22525, 25493, 27625, 33337, 40885, 49025, 58565, 60125, 78625, 86125, 112625, 127465, 166685, 204425, 245125, 292825, 433381, 637325, 833425, 1022125, 1464125, 2166905, 3186625, 4167125, 10834525, 54172625]

約数ペア:

[(1, 54172625), (5, 10834525), (13, 4167125), (17, 3186625), (25, 2166905), (37, 1464125), (53, 1022125), (65, 833425), (85, 637325), (125, 433381), (185, 292825), (221, 245125), (265, 204425), (325, 166685), (425, 127465), (481, 112625), (629, 86125), (689, 78625), (901, 60125), (925, 58565), (1105, 49025), (1325, 40885), (1625, 33337), (1961, 27625), (2125, 25493), (2405, 22525), (3145, 17225), (3445, 15725), (4505, 12025), (4625, 11713), (5525, 9805), (6625, 8177)]