42651025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 55409400

約数和(自身を除く): 12758375

約数列:

[1, 5, 25, 29, 89, 145, 445, 661, 725, 2225, 2581, 3305, 12905, 16525, 19169, 58829, 64525, 95845, 294145, 479225, 1470725, 1706041, 8530205, 42651025]

約数ペア:

[(1, 42651025), (5, 8530205), (25, 1706041), (29, 1470725), (89, 479225), (145, 294145), (445, 95845), (661, 64525), (725, 58829), (2225, 19169), (2581, 16525), (3305, 12905)]