64284025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1423}}^1$

素因数の和:1585

約数の個数: 24

約数和(自身を含む): 86522240

約数和(自身を除く): 22238215

約数列:

[1, 5, 13, 25, 65, 139, 325, 695, 1423, 1807, 3475, 7115, 9035, 18499, 35575, 45175, 92495, 197797, 462475, 988985, 2571361, 4944925, 12856805, 64284025]

約数ペア:

[(1, 64284025), (5, 12856805), (13, 4944925), (25, 2571361), (65, 988985), (139, 462475), (325, 197797), (695, 92495), (1423, 45175), (1807, 35575), (3475, 18499), (7115, 9035)]