2017105025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{313}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 2747324160

約数和(自身を除く): 730219135

約数列:

[1, 5, 13, 25, 65, 79, 251, 313, 325, 395, 1027, 1255, 1565, 1975, 3263, 4069, 5135, 6275, 7825, 16315, 19829, 20345, 24727, 25675, 78563, 81575, 99145, 101725, 123635, 257777, 321451, 392815, 495725, 618175, 1021319, 1288885, 1607255, 1964075, 5106595, 6206477, 6444425, 8036275, 25532975, 31032385, 80684201, 155161925, 403421005, 2017105025]

約数ペア:

[(1, 2017105025), (5, 403421005), (13, 155161925), (25, 80684201), (65, 31032385), (79, 25532975), (251, 8036275), (313, 6444425), (325, 6206477), (395, 5106595), (1027, 1964075), (1255, 1607255), (1565, 1288885), (1975, 1021319), (3263, 618175), (4069, 495725), (5135, 392815), (6275, 321451), (7825, 257777), (16315, 123635), (19829, 101725), (20345, 99145), (24727, 81575), (25675, 78563)]