1720229125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{1423}}^1$

素因数の和:1966

約数の個数: 32

約数和(自身を含む): 2265868800

約数和(自身を除く): 545639675

約数列:

[1, 5, 19, 25, 95, 125, 475, 509, 1423, 2375, 2545, 7115, 9671, 12725, 27037, 35575, 48355, 63625, 135185, 177875, 241775, 675925, 724307, 1208875, 3379625, 3621535, 13761833, 18107675, 68809165, 90538375, 344045825, 1720229125]

約数ペア:

[(1, 1720229125), (5, 344045825), (19, 90538375), (25, 68809165), (95, 18107675), (125, 13761833), (475, 3621535), (509, 3379625), (1423, 1208875), (2375, 724307), (2545, 675925), (7115, 241775), (9671, 177875), (12725, 135185), (27037, 63625), (35575, 48355)]