2488890025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{883}}^1\times {\mathrm{3637}}^1$

素因数の和:4561

約数の個数: 24

約数和(自身を含む): 3190264064

約数和(自身を除く): 701374039

約数列:

[1, 5, 25, 31, 155, 775, 883, 3637, 4415, 18185, 22075, 27373, 90925, 112747, 136865, 563735, 684325, 2818675, 3211471, 16057355, 80286775, 99555601, 497778005, 2488890025]

約数ペア:

[(1, 2488890025), (5, 497778005), (25, 99555601), (31, 80286775), (155, 16057355), (775, 3211471), (883, 2818675), (3637, 684325), (4415, 563735), (18185, 136865), (22075, 112747), (27373, 90925)]