38540425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20021}}^1$

素因数の和:20049

約数の個数: 24

約数和(自身を含む): 59585472

約数和(自身を除く): 21045047

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 20021, 100105, 140147, 220231, 500525, 700735, 1101155, 1541617, 3503675, 5505775, 7708085, 38540425]

約数ペア:

[(1, 38540425), (5, 7708085), (7, 5505775), (11, 3503675), (25, 1541617), (35, 1101155), (55, 700735), (77, 500525), (175, 220231), (275, 140147), (385, 100105), (1925, 20021)]