840953360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{6367}}^1$

素因数の和:6520

約数の個数: 80

約数和(自身を含む): 2122530816

約数和(自身を除く): 1281577456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1651, 2032, 2540, 3302, 5080, 6367, 6604, 8255, 10160, 12734, 13208, 16510, 25468, 26416, 31835, 33020, 50936, 63670, 66040, 82771, 101872, 127340, 132080, 165542, 254680, 331084, 413855, 509360, 662168, 808609, 827710, 1324336, 1617218, 1655420, 3234436, 3310840, 4043045, 6468872, 6621680, 8086090, 10511917, 12937744, 16172180, 21023834, 32344360, 42047668, 52559585, 64688720, 84095336, 105119170, 168190672, 210238340, 420476680, 840953360]

約数ペア:

[(1, 840953360), (2, 420476680), (4, 210238340), (5, 168190672), (8, 105119170), (10, 84095336), (13, 64688720), (16, 52559585), (20, 42047668), (26, 32344360), (40, 21023834), (52, 16172180), (65, 12937744), (80, 10511917), (104, 8086090), (127, 6621680), (130, 6468872), (208, 4043045), (254, 3310840), (260, 3234436), (508, 1655420), (520, 1617218), (635, 1324336), (1016, 827710), (1040, 808609), (1270, 662168), (1651, 509360), (2032, 413855), (2540, 331084), (3302, 254680), (5080, 165542), (6367, 132080), (6604, 127340), (8255, 101872), (10160, 82771), (12734, 66040), (13208, 63670), (16510, 50936), (25468, 33020), (26416, 31835)]