82714640

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1613}}^1$

素因数の和:2267

約数の個数: 40

約数和(自身を含む): 192730968

約数和(自身を除く): 110016328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 1282, 1613, 2564, 3205, 3226, 5128, 6410, 6452, 8065, 10256, 12820, 12904, 16130, 25640, 25808, 32260, 51280, 64520, 129040, 1033933, 2067866, 4135732, 5169665, 8271464, 10339330, 16542928, 20678660, 41357320, 82714640]

約数ペア:

[(1, 82714640), (2, 41357320), (4, 20678660), (5, 16542928), (8, 10339330), (10, 8271464), (16, 5169665), (20, 4135732), (40, 2067866), (80, 1033933), (641, 129040), (1282, 64520), (1613, 51280), (2564, 32260), (3205, 25808), (3226, 25640), (5128, 16130), (6410, 12904), (6452, 12820), (8065, 10256)]