80972375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{58889}}^1$

素因数の和:58915

約数の個数: 16

約数和(自身を含む): 110242080

約数和(自身を除く): 29269705

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 58889, 294445, 647779, 1472225, 3238895, 7361125, 16194475, 80972375]

約数ペア:

[(1, 80972375), (5, 16194475), (11, 7361125), (25, 3238895), (55, 1472225), (125, 647779), (275, 294445), (1375, 58889)]