800052580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{7621}}^1$

素因数の和:7840

約数の個数: 48

約数和(自身を含む): 1747877040

約数和(自身を除く): 947824460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 181, 290, 362, 580, 724, 905, 1810, 3620, 5249, 7621, 10498, 15242, 20996, 26245, 30484, 38105, 52490, 76210, 104980, 152420, 221009, 442018, 884036, 1105045, 1379401, 2210090, 2758802, 4420180, 5517604, 6897005, 13794010, 27588020, 40002629, 80005258, 160010516, 200013145, 400026290, 800052580]

約数ペア:

[(1, 800052580), (2, 400026290), (4, 200013145), (5, 160010516), (10, 80005258), (20, 40002629), (29, 27588020), (58, 13794010), (116, 6897005), (145, 5517604), (181, 4420180), (290, 2758802), (362, 2210090), (580, 1379401), (724, 1105045), (905, 884036), (1810, 442018), (3620, 221009), (5249, 152420), (7621, 104980), (10498, 76210), (15242, 52490), (20996, 38105), (26245, 30484)]