85421875

素因数分解:

$5^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:119

約数の個数: 56

約数和(自身を含む): 134998272

約数和(自身を除く): 49576397

約数列:

[1, 5, 7, 11, 25, 35, 55, 71, 77, 125, 175, 275, 355, 385, 497, 625, 781, 875, 1375, 1775, 1925, 2485, 3125, 3905, 4375, 5467, 6875, 8875, 9625, 12425, 15625, 19525, 21875, 27335, 34375, 44375, 48125, 62125, 97625, 109375, 136675, 171875, 221875, 240625, 310625, 488125, 683375, 1109375, 1203125, 1553125, 2440625, 3416875, 7765625, 12203125, 17084375, 85421875]

約数ペア:

[(1, 85421875), (5, 17084375), (7, 12203125), (11, 7765625), (25, 3416875), (35, 2440625), (55, 1553125), (71, 1203125), (77, 1109375), (125, 683375), (175, 488125), (275, 310625), (355, 240625), (385, 221875), (497, 171875), (625, 136675), (781, 109375), (875, 97625), (1375, 62125), (1775, 48125), (1925, 44375), (2485, 34375), (3125, 27335), (3905, 21875), (4375, 19525), (5467, 15625), (6875, 12425), (8875, 9625)]