180275320

素因数分解:

$2^3\times 5^1\times {\mathrm{907}}^1\times {\mathrm{4969}}^1$

素因数の和:5887

約数の個数: 32

約数和(自身を含む): 406148400

約数和(自身を除く): 225873080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 907, 1814, 3628, 4535, 4969, 7256, 9070, 9938, 18140, 19876, 24845, 36280, 39752, 49690, 99380, 198760, 4506883, 9013766, 18027532, 22534415, 36055064, 45068830, 90137660, 180275320]

約数ペア:

[(1, 180275320), (2, 90137660), (4, 45068830), (5, 36055064), (8, 22534415), (10, 18027532), (20, 9013766), (40, 4506883), (907, 198760), (1814, 99380), (3628, 49690), (4535, 39752), (4969, 36280), (7256, 24845), (9070, 19876), (9938, 18140)]