1980125

素因数分解:

$5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:126

約数の個数: 32

約数和(自身を含む): 2955264

約数和(自身を除く): 975139

約数列:

[1, 5, 7, 25, 31, 35, 73, 125, 155, 175, 217, 365, 511, 775, 875, 1085, 1825, 2263, 2555, 3875, 5425, 9125, 11315, 12775, 15841, 27125, 56575, 63875, 79205, 282875, 396025, 1980125]

約数ペア:

[(1, 1980125), (5, 396025), (7, 282875), (25, 79205), (31, 63875), (35, 56575), (73, 27125), (125, 15841), (155, 12775), (175, 11315), (217, 9125), (365, 5425), (511, 3875), (775, 2555), (875, 2263), (1085, 1825)]