64757960

素因数分解:

$2^3\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{1523}}^1$

素因数の和:2597

約数の個数: 32

約数和(自身を含む): 145938240

約数和(自身を除く): 81180280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1063, 1523, 2126, 3046, 4252, 5315, 6092, 7615, 8504, 10630, 12184, 15230, 21260, 30460, 42520, 60920, 1618949, 3237898, 6475796, 8094745, 12951592, 16189490, 32378980, 64757960]

約数ペア:

[(1, 64757960), (2, 32378980), (4, 16189490), (5, 12951592), (8, 8094745), (10, 6475796), (20, 3237898), (40, 1618949), (1063, 60920), (1523, 42520), (2126, 30460), (3046, 21260), (4252, 15230), (5315, 12184), (6092, 10630), (7615, 8504)]