2161806625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{3631}}^1$

素因数の和:4090

約数の個数: 32

約数和(自身を含む): 2950811136

約数和(自身を除く): 789004511

約数列:

[1, 5, 11, 25, 55, 125, 275, 433, 1375, 2165, 3631, 4763, 10825, 18155, 23815, 39941, 54125, 90775, 119075, 199705, 453875, 595375, 998525, 1572223, 4992625, 7861115, 17294453, 39305575, 86472265, 196527875, 432361325, 2161806625]

約数ペア:

[(1, 2161806625), (5, 432361325), (11, 196527875), (25, 86472265), (55, 39305575), (125, 17294453), (275, 7861115), (433, 4992625), (1375, 1572223), (2165, 998525), (3631, 595375), (4763, 453875), (10825, 199705), (18155, 119075), (23815, 90775), (39941, 54125)]