8740420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33617}}^1$

素因数の和:33639

約数の個数: 24

約数和(自身を含む): 19767384

約数和(自身を除く): 11026964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 33617, 67234, 134468, 168085, 336170, 437021, 672340, 874042, 1748084, 2185105, 4370210, 8740420]

約数ペア:

[(1, 8740420), (2, 4370210), (4, 2185105), (5, 1748084), (10, 874042), (13, 672340), (20, 437021), (26, 336170), (52, 168085), (65, 134468), (130, 67234), (260, 33617)]