66148025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{887}}^1$

素因数の和:1073

約数の個数: 24

約数和(自身を含む): 86988480

約数和(自身を除く): 20840455

約数列:

[1, 5, 19, 25, 95, 157, 475, 785, 887, 2983, 3925, 4435, 14915, 16853, 22175, 74575, 84265, 139259, 421325, 696295, 2645921, 3481475, 13229605, 66148025]

約数ペア:

[(1, 66148025), (5, 13229605), (19, 3481475), (25, 2645921), (95, 696295), (157, 421325), (475, 139259), (785, 84265), (887, 74575), (2983, 22175), (3925, 16853), (4435, 14915)]