2123649025

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{641}}^1\times {\mathrm{1489}}^1$

素因数の和:2229

約数の個数: 24

約数和(自身を含む): 2668858200

約数和(自身を除く): 545209175

約数列:

[1, 5, 25, 89, 445, 641, 1489, 2225, 3205, 7445, 16025, 37225, 57049, 132521, 285245, 662605, 954449, 1426225, 3313025, 4772245, 23861225, 84945961, 424729805, 2123649025]

約数ペア:

[(1, 2123649025), (5, 424729805), (25, 84945961), (89, 23861225), (445, 4772245), (641, 3313025), (1489, 1426225), (2225, 954449), (3205, 662605), (7445, 285245), (16025, 132521), (37225, 57049)]