65781425

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{2213}}^1$

素因数の和:2293

約数の個数: 24

約数和(自身を含む): 86478840

約数和(自身を除く): 20697415

約数列:

[1, 5, 25, 29, 41, 145, 205, 725, 1025, 1189, 2213, 5945, 11065, 29725, 55325, 64177, 90733, 320885, 453665, 1604425, 2268325, 2631257, 13156285, 65781425]

約数ペア:

[(1, 65781425), (5, 13156285), (25, 2631257), (29, 2268325), (41, 1604425), (145, 453665), (205, 320885), (725, 90733), (1025, 64177), (1189, 55325), (2213, 29725), (5945, 11065)]