166162000

素因数分解:

$2^4\times 5^3\times {\mathrm{251}}^1\times {\mathrm{331}}^1$

素因数の和:605

約数の個数: 80

約数和(自身を含む): 404599104

約数和(自身を除く): 238437104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 251, 331, 400, 500, 502, 662, 1000, 1004, 1255, 1324, 1655, 2000, 2008, 2510, 2648, 3310, 4016, 5020, 5296, 6275, 6620, 8275, 10040, 12550, 13240, 16550, 20080, 25100, 26480, 31375, 33100, 41375, 50200, 62750, 66200, 82750, 83081, 100400, 125500, 132400, 165500, 166162, 251000, 331000, 332324, 415405, 502000, 662000, 664648, 830810, 1329296, 1661620, 2077025, 3323240, 4154050, 6646480, 8308100, 10385125, 16616200, 20770250, 33232400, 41540500, 83081000, 166162000]

約数ペア:

[(1, 166162000), (2, 83081000), (4, 41540500), (5, 33232400), (8, 20770250), (10, 16616200), (16, 10385125), (20, 8308100), (25, 6646480), (40, 4154050), (50, 3323240), (80, 2077025), (100, 1661620), (125, 1329296), (200, 830810), (250, 664648), (251, 662000), (331, 502000), (400, 415405), (500, 332324), (502, 331000), (662, 251000), (1000, 166162), (1004, 165500), (1255, 132400), (1324, 125500), (1655, 100400), (2000, 83081), (2008, 82750), (2510, 66200), (2648, 62750), (3310, 50200), (4016, 41375), (5020, 33100), (5296, 31375), (6275, 26480), (6620, 25100), (8275, 20080), (10040, 16550), (12550, 13240)]