53281250

素因数分解:

$2^1\times 5^7\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 64

約数和(自身を含む): 112499712

約数和(自身を除く): 59218462

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 50, 55, 62, 110, 125, 155, 250, 275, 310, 341, 550, 625, 682, 775, 1250, 1375, 1550, 1705, 2750, 3125, 3410, 3875, 6250, 6875, 7750, 8525, 13750, 15625, 17050, 19375, 31250, 34375, 38750, 42625, 68750, 78125, 85250, 96875, 156250, 171875, 193750, 213125, 343750, 426250, 484375, 859375, 968750, 1065625, 1718750, 2131250, 2421875, 4843750, 5328125, 10656250, 26640625, 53281250]

約数ペア:

[(1, 53281250), (2, 26640625), (5, 10656250), (10, 5328125), (11, 4843750), (22, 2421875), (25, 2131250), (31, 1718750), (50, 1065625), (55, 968750), (62, 859375), (110, 484375), (125, 426250), (155, 343750), (250, 213125), (275, 193750), (310, 171875), (341, 156250), (550, 96875), (625, 85250), (682, 78125), (775, 68750), (1250, 42625), (1375, 38750), (1550, 34375), (1705, 31250), (2750, 19375), (3125, 17050), (3410, 15625), (3875, 13750), (6250, 8525), (6875, 7750)]