85295440

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1613}}^1$

素因数の和:2287

約数の個数: 40

約数和(自身を含む): 198735048

約数和(自身を除く): 113439608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 1322, 1613, 2644, 3226, 3305, 5288, 6452, 6610, 8065, 10576, 12904, 13220, 16130, 25808, 26440, 32260, 52880, 64520, 129040, 1066193, 2132386, 4264772, 5330965, 8529544, 10661930, 17059088, 21323860, 42647720, 85295440]

約数ペア:

[(1, 85295440), (2, 42647720), (4, 21323860), (5, 17059088), (8, 10661930), (10, 8529544), (16, 5330965), (20, 4264772), (40, 2132386), (80, 1066193), (661, 129040), (1322, 64520), (1613, 52880), (2644, 32260), (3226, 26440), (3305, 25808), (5288, 16130), (6452, 13220), (6610, 12904), (8065, 10576)]