82564640

素因数分解:

$2^5\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1559}}^1$

素因数の和:1905

約数の個数: 48

約数和(自身を含む): 195773760

約数和(自身を除く): 113209120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 331, 662, 1324, 1559, 1655, 2648, 3118, 3310, 5296, 6236, 6620, 7795, 10592, 12472, 13240, 15590, 24944, 26480, 31180, 49888, 52960, 62360, 124720, 249440, 516029, 1032058, 2064116, 2580145, 4128232, 5160290, 8256464, 10320580, 16512928, 20641160, 41282320, 82564640]

約数ペア:

[(1, 82564640), (2, 41282320), (4, 20641160), (5, 16512928), (8, 10320580), (10, 8256464), (16, 5160290), (20, 4128232), (32, 2580145), (40, 2064116), (80, 1032058), (160, 516029), (331, 249440), (662, 124720), (1324, 62360), (1559, 52960), (1655, 49888), (2648, 31180), (3118, 26480), (3310, 24944), (5296, 15590), (6236, 13240), (6620, 12472), (7795, 10592)]