66414025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1571}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 87717600

約数和(自身を除く): 21303575

約数列:

[1, 5, 19, 25, 89, 95, 445, 475, 1571, 1691, 2225, 7855, 8455, 29849, 39275, 42275, 139819, 149245, 699095, 746225, 2656561, 3495475, 13282805, 66414025]

約数ペア:

[(1, 66414025), (5, 13282805), (19, 3495475), (25, 2656561), (89, 746225), (95, 699095), (445, 149245), (475, 139819), (1571, 42275), (1691, 39275), (2225, 29849), (7855, 8455)]