56645017640

素因数分解:

$2^3\times 5^1\times {\mathrm{3299}}^1\times {\mathrm{429259}}^1$

素因数の和:432569

約数の個数: 32

約数和(自身を含む): 127490220000

約数和(自身を除く): 70845202360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3299, 6598, 13196, 16495, 26392, 32990, 65980, 131960, 429259, 858518, 1717036, 2146295, 3434072, 4292590, 8585180, 17170360, 1416125441, 2832250882, 5664501764, 7080627205, 11329003528, 14161254410, 28322508820, 56645017640]

約数ペア:

[(1, 56645017640), (2, 28322508820), (4, 14161254410), (5, 11329003528), (8, 7080627205), (10, 5664501764), (20, 2832250882), (40, 1416125441), (3299, 17170360), (6598, 8585180), (13196, 4292590), (16495, 3434072), (26392, 2146295), (32990, 1717036), (65980, 858518), (131960, 429259)]