66737975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1289}}^1$

素因数の和:1427

約数の個数: 24

約数和(自身を含む): 87978000

約数和(自身を除く): 21240025

約数列:

[1, 5, 19, 25, 95, 109, 475, 545, 1289, 2071, 2725, 6445, 10355, 24491, 32225, 51775, 122455, 140501, 612275, 702505, 2669519, 3512525, 13347595, 66737975]

約数ペア:

[(1, 66737975), (5, 13347595), (19, 3512525), (25, 2669519), (95, 702505), (109, 612275), (475, 140501), (545, 122455), (1289, 51775), (2071, 32225), (2725, 24491), (6445, 10355)]