28084375

素因数分解:

$5^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:98

約数の個数: 48

約数和(自身を含む): 41247360

約数和(自身を除く): 13162985

約数列:

[1, 5, 11, 19, 25, 43, 55, 95, 125, 209, 215, 275, 473, 475, 625, 817, 1045, 1075, 1375, 2365, 2375, 3125, 4085, 5225, 5375, 6875, 8987, 11825, 11875, 20425, 26125, 26875, 34375, 44935, 59125, 59375, 102125, 130625, 134375, 224675, 295625, 510625, 653125, 1123375, 1478125, 2553125, 5616875, 28084375]

約数ペア:

[(1, 28084375), (5, 5616875), (11, 2553125), (19, 1478125), (25, 1123375), (43, 653125), (55, 510625), (95, 295625), (125, 224675), (209, 134375), (215, 130625), (275, 102125), (473, 59375), (475, 59125), (625, 44935), (817, 34375), (1045, 26875), (1075, 26125), (1375, 20425), (2365, 11875), (2375, 11825), (3125, 8987), (4085, 6875), (5225, 5375)]