81223825

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1039}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 104457600

約数和(自身を除く): 23233775

約数列:

[1, 5, 25, 53, 59, 265, 295, 1039, 1325, 1475, 3127, 5195, 15635, 25975, 55067, 61301, 78175, 275335, 306505, 1376675, 1532525, 3248953, 16244765, 81223825]

約数ペア:

[(1, 81223825), (5, 16244765), (25, 3248953), (53, 1532525), (59, 1376675), (265, 306505), (295, 275335), (1039, 78175), (1325, 61301), (1475, 55067), (3127, 25975), (5195, 15635)]