80776875

素因数分解:

$3^1\times 5^4\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:733

約数の個数: 40

約数和(自身を含む): 136806208

約数和(自身を除く): 56029333

約数列:

[1, 3, 5, 15, 25, 67, 75, 125, 201, 335, 375, 625, 643, 1005, 1675, 1875, 1929, 3215, 5025, 8375, 9645, 16075, 25125, 41875, 43081, 48225, 80375, 125625, 129243, 215405, 241125, 401875, 646215, 1077025, 1205625, 3231075, 5385125, 16155375, 26925625, 80776875]

約数ペア:

[(1, 80776875), (3, 26925625), (5, 16155375), (15, 5385125), (25, 3231075), (67, 1205625), (75, 1077025), (125, 646215), (201, 401875), (335, 241125), (375, 215405), (625, 129243), (643, 125625), (1005, 80375), (1675, 48225), (1875, 43081), (1929, 41875), (3215, 25125), (5025, 16075), (8375, 9645)]