2080990880

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1\times {\mathrm{461}}^1$

素因数の和:882

約数の個数: 96

約数和(自身を含む): 4998082320

約数和(自身を除く): 2917091440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 317, 356, 445, 461, 634, 712, 890, 922, 1268, 1424, 1585, 1780, 1844, 2305, 2536, 2848, 3170, 3560, 3688, 4610, 5072, 6340, 7120, 7376, 9220, 10144, 12680, 14240, 14752, 18440, 25360, 28213, 36880, 41029, 50720, 56426, 73760, 82058, 112852, 141065, 146137, 164116, 205145, 225704, 282130, 292274, 328232, 410290, 451408, 564260, 584548, 656464, 730685, 820580, 902816, 1128520, 1169096, 1312928, 1461370, 1641160, 2257040, 2338192, 2922740, 3282320, 4514080, 4676384, 5845480, 6564640, 11690960, 13006193, 23381920, 26012386, 52024772, 65030965, 104049544, 130061930, 208099088, 260123860, 416198176, 520247720, 1040495440, 2080990880]

約数ペア:

[(1, 2080990880), (2, 1040495440), (4, 520247720), (5, 416198176), (8, 260123860), (10, 208099088), (16, 130061930), (20, 104049544), (32, 65030965), (40, 52024772), (80, 26012386), (89, 23381920), (160, 13006193), (178, 11690960), (317, 6564640), (356, 5845480), (445, 4676384), (461, 4514080), (634, 3282320), (712, 2922740), (890, 2338192), (922, 2257040), (1268, 1641160), (1424, 1461370), (1585, 1312928), (1780, 1169096), (1844, 1128520), (2305, 902816), (2536, 820580), (2848, 730685), (3170, 656464), (3560, 584548), (3688, 564260), (4610, 451408), (5072, 410290), (6340, 328232), (7120, 292274), (7376, 282130), (9220, 225704), (10144, 205145), (12680, 164116), (14240, 146137), (14752, 141065), (18440, 112852), (25360, 82058), (28213, 73760), (36880, 56426), (41029, 50720)]