25576375

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 37346400

約数和(自身を除く): 11770025

約数列:

[1, 5, 11, 19, 25, 55, 89, 95, 121, 125, 209, 275, 445, 475, 605, 979, 1045, 1375, 1691, 2225, 2299, 2375, 3025, 4895, 5225, 8455, 10769, 11125, 11495, 15125, 18601, 24475, 26125, 42275, 53845, 57475, 93005, 122375, 204611, 211375, 269225, 287375, 465025, 1023055, 1346125, 2325125, 5115275, 25576375]

約数ペア:

[(1, 25576375), (5, 5115275), (11, 2325125), (19, 1346125), (25, 1023055), (55, 465025), (89, 287375), (95, 269225), (121, 211375), (125, 204611), (209, 122375), (275, 93005), (445, 57475), (475, 53845), (605, 42275), (979, 26125), (1045, 24475), (1375, 18601), (1691, 15125), (2225, 11495), (2299, 11125), (2375, 10769), (3025, 8455), (4895, 5225)]