90174320

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1753}}^1$

素因数の和:2409

約数の個数: 40

約数和(自身を含む): 210101136

約数和(自身を除く): 119926816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 1286, 1753, 2572, 3215, 3506, 5144, 6430, 7012, 8765, 10288, 12860, 14024, 17530, 25720, 28048, 35060, 51440, 70120, 140240, 1127179, 2254358, 4508716, 5635895, 9017432, 11271790, 18034864, 22543580, 45087160, 90174320]

約数ペア:

[(1, 90174320), (2, 45087160), (4, 22543580), (5, 18034864), (8, 11271790), (10, 9017432), (16, 5635895), (20, 4508716), (40, 2254358), (80, 1127179), (643, 140240), (1286, 70120), (1753, 51440), (2572, 35060), (3215, 28048), (3506, 25720), (5144, 17530), (6430, 14024), (7012, 12860), (8765, 10288)]