66087880

素因数分解:

$2^3\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1993}}^1$

素因数の和:2833

約数の個数: 32

約数和(自身を含む): 148951800

約数和(自身を除く): 82863920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 829, 1658, 1993, 3316, 3986, 4145, 6632, 7972, 8290, 9965, 15944, 16580, 19930, 33160, 39860, 79720, 1652197, 3304394, 6608788, 8260985, 13217576, 16521970, 33043940, 66087880]

約数ペア:

[(1, 66087880), (2, 33043940), (4, 16521970), (5, 13217576), (8, 8260985), (10, 6608788), (20, 3304394), (40, 1652197), (829, 79720), (1658, 39860), (1993, 33160), (3316, 19930), (3986, 16580), (4145, 15944), (6632, 9965), (7972, 8290)]