28140875

素因数分解:

$5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1109}}^1$

素因数の和:1160

約数の個数: 32

約数和(自身を含む): 41558400

約数和(自身を除く): 13417525

約数列:

[1, 5, 7, 25, 29, 35, 125, 145, 175, 203, 725, 875, 1015, 1109, 3625, 5075, 5545, 7763, 25375, 27725, 32161, 38815, 138625, 160805, 194075, 225127, 804025, 970375, 1125635, 4020125, 5628175, 28140875]

約数ペア:

[(1, 28140875), (5, 5628175), (7, 4020125), (25, 1125635), (29, 970375), (35, 804025), (125, 225127), (145, 194075), (175, 160805), (203, 138625), (725, 38815), (875, 32161), (1015, 27725), (1109, 25375), (3625, 7763), (5075, 5545)]