28305158360

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{937}}^1\times {\mathrm{20411}}^1$

素因数の和:21396

約数の個数: 64

約数和(自身を含む): 65480879520

約数和(自身を除く): 37175721160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 937, 1480, 1874, 3748, 4685, 7496, 9370, 18740, 20411, 34669, 37480, 40822, 69338, 81644, 102055, 138676, 163288, 173345, 204110, 277352, 346690, 408220, 693380, 755207, 816440, 1386760, 1510414, 3020828, 3776035, 6041656, 7552070, 15104140, 19125107, 30208280, 38250214, 76500428, 95625535, 153000856, 191251070, 382502140, 707628959, 765004280, 1415257918, 2830515836, 3538144795, 5661031672, 7076289590, 14152579180, 28305158360]

約数ペア:

[(1, 28305158360), (2, 14152579180), (4, 7076289590), (5, 5661031672), (8, 3538144795), (10, 2830515836), (20, 1415257918), (37, 765004280), (40, 707628959), (74, 382502140), (148, 191251070), (185, 153000856), (296, 95625535), (370, 76500428), (740, 38250214), (937, 30208280), (1480, 19125107), (1874, 15104140), (3748, 7552070), (4685, 6041656), (7496, 3776035), (9370, 3020828), (18740, 1510414), (20411, 1386760), (34669, 816440), (37480, 755207), (40822, 693380), (69338, 408220), (81644, 346690), (102055, 277352), (138676, 204110), (163288, 173345)]