66464800

素因数分解:

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

素因数の和:602

約数の個数: 72

約数和(自身を含む): 163395792

約数和(自身を除く): 96930992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 251, 331, 400, 502, 662, 800, 1004, 1255, 1324, 1655, 2008, 2510, 2648, 3310, 4016, 5020, 5296, 6275, 6620, 8032, 8275, 10040, 10592, 12550, 13240, 16550, 20080, 25100, 26480, 33100, 40160, 50200, 52960, 66200, 83081, 100400, 132400, 166162, 200800, 264800, 332324, 415405, 664648, 830810, 1329296, 1661620, 2077025, 2658592, 3323240, 4154050, 6646480, 8308100, 13292960, 16616200, 33232400, 66464800]

約数ペア:

[(1, 66464800), (2, 33232400), (4, 16616200), (5, 13292960), (8, 8308100), (10, 6646480), (16, 4154050), (20, 3323240), (25, 2658592), (32, 2077025), (40, 1661620), (50, 1329296), (80, 830810), (100, 664648), (160, 415405), (200, 332324), (251, 264800), (331, 200800), (400, 166162), (502, 132400), (662, 100400), (800, 83081), (1004, 66200), (1255, 52960), (1324, 50200), (1655, 40160), (2008, 33100), (2510, 26480), (2648, 25100), (3310, 20080), (4016, 16550), (5020, 13240), (5296, 12550), (6275, 10592), (6620, 10040), (8032, 8275)]