80681320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2011}}^1$

素因数の和:2098

約数の個数: 64

約数和(自身を含む): 195566400

約数和(自身を除く): 114885080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 236, 295, 340, 472, 590, 680, 1003, 1180, 2006, 2011, 2360, 4012, 4022, 5015, 8024, 8044, 10030, 10055, 16088, 20060, 20110, 34187, 40120, 40220, 68374, 80440, 118649, 136748, 170935, 237298, 273496, 341870, 474596, 593245, 683740, 949192, 1186490, 1367480, 2017033, 2372980, 4034066, 4745960, 8068132, 10085165, 16136264, 20170330, 40340660, 80681320]

約数ペア:

[(1, 80681320), (2, 40340660), (4, 20170330), (5, 16136264), (8, 10085165), (10, 8068132), (17, 4745960), (20, 4034066), (34, 2372980), (40, 2017033), (59, 1367480), (68, 1186490), (85, 949192), (118, 683740), (136, 593245), (170, 474596), (236, 341870), (295, 273496), (340, 237298), (472, 170935), (590, 136748), (680, 118649), (1003, 80440), (1180, 68374), (2006, 40220), (2011, 40120), (2360, 34187), (4012, 20110), (4022, 20060), (5015, 16088), (8024, 10055), (8044, 10030)]