6621680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6367}}^1$

素因数の和:6393

約数の個数: 40

約数和(自身を含む): 16582272

約数和(自身を除く): 9960592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 6367, 12734, 25468, 31835, 50936, 63670, 82771, 101872, 127340, 165542, 254680, 331084, 413855, 509360, 662168, 827710, 1324336, 1655420, 3310840, 6621680]

約数ペア:

[(1, 6621680), (2, 3310840), (4, 1655420), (5, 1324336), (8, 827710), (10, 662168), (13, 509360), (16, 413855), (20, 331084), (26, 254680), (40, 165542), (52, 127340), (65, 101872), (80, 82771), (104, 63670), (130, 50936), (208, 31835), (260, 25468), (520, 12734), (1040, 6367)]