201664520

素因数分解:

$2^3\times 5^1\times {\mathrm{2161}}^1\times {\mathrm{2333}}^1$

素因数の和:4505

約数の個数: 32

約数和(自身を含む): 454149720

約数和(自身を除く): 252485200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2161, 2333, 4322, 4666, 8644, 9332, 10805, 11665, 17288, 18664, 21610, 23330, 43220, 46660, 86440, 93320, 5041613, 10083226, 20166452, 25208065, 40332904, 50416130, 100832260, 201664520]

約数ペア:

[(1, 201664520), (2, 100832260), (4, 50416130), (5, 40332904), (8, 25208065), (10, 20166452), (20, 10083226), (40, 5041613), (2161, 93320), (2333, 86440), (4322, 46660), (4666, 43220), (8644, 23330), (9332, 21610), (10805, 18664), (11665, 17288)]