66163960

素因数分解:

$2^3\times 5^1\times {\mathrm{1061}}^1\times {\mathrm{1559}}^1$

素因数の和:2631

約数の個数: 32

約数和(自身を含む): 149104800

約数和(自身を除く): 82940840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1061, 1559, 2122, 3118, 4244, 5305, 6236, 7795, 8488, 10610, 12472, 15590, 21220, 31180, 42440, 62360, 1654099, 3308198, 6616396, 8270495, 13232792, 16540990, 33081980, 66163960]

約数ペア:

[(1, 66163960), (2, 33081980), (4, 16540990), (5, 13232792), (8, 8270495), (10, 6616396), (20, 3308198), (40, 1654099), (1061, 62360), (1559, 42440), (2122, 31180), (3118, 21220), (4244, 15590), (5305, 12472), (6236, 10610), (7795, 8488)]