64393690

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{2203}}^1$

素因数の和:2326

約数の個数: 32

約数和(自身を含む): 120602880

約数和(自身を除く): 56209190

約数列:

[1, 2, 5, 10, 37, 74, 79, 158, 185, 370, 395, 790, 2203, 2923, 4406, 5846, 11015, 14615, 22030, 29230, 81511, 163022, 174037, 348074, 407555, 815110, 870185, 1740370, 6439369, 12878738, 32196845, 64393690]

約数ペア:

[(1, 64393690), (2, 32196845), (5, 12878738), (10, 6439369), (37, 1740370), (74, 870185), (79, 815110), (158, 407555), (185, 348074), (370, 174037), (395, 163022), (790, 81511), (2203, 29230), (2923, 22030), (4406, 14615), (5846, 11015)]