66036640

素因数分解:

$2^5\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1061}}^1$

素因数の和:1465

約数の個数: 48

約数和(自身を含む): 156560040

約数和(自身を除く): 90523400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 389, 778, 1061, 1556, 1945, 2122, 3112, 3890, 4244, 5305, 6224, 7780, 8488, 10610, 12448, 15560, 16976, 21220, 31120, 33952, 42440, 62240, 84880, 169760, 412729, 825458, 1650916, 2063645, 3301832, 4127290, 6603664, 8254580, 13207328, 16509160, 33018320, 66036640]

約数ペア:

[(1, 66036640), (2, 33018320), (4, 16509160), (5, 13207328), (8, 8254580), (10, 6603664), (16, 4127290), (20, 3301832), (32, 2063645), (40, 1650916), (80, 825458), (160, 412729), (389, 169760), (778, 84880), (1061, 62240), (1556, 42440), (1945, 33952), (2122, 31120), (3112, 21220), (3890, 16976), (4244, 15560), (5305, 12448), (6224, 10610), (7780, 8488)]