3936025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 5189400

約数和(自身を除く): 1253375

約数列:

[1, 5, 25, 29, 61, 89, 145, 305, 445, 725, 1525, 1769, 2225, 2581, 5429, 8845, 12905, 27145, 44225, 64525, 135725, 157441, 787205, 3936025]

約数ペア:

[(1, 3936025), (5, 787205), (25, 157441), (29, 135725), (61, 64525), (89, 44225), (145, 27145), (305, 12905), (445, 8845), (725, 5429), (1525, 2581), (1769, 2225)]