26788678960

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1319}}^1\times {\mathrm{1999}}^1$

素因数の和:3458

約数の個数: 80

約数和(自身を含む): 62853120000

約数和(自身を除く): 36064441040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 1319, 1999, 2032, 2540, 2638, 3998, 5080, 5276, 6595, 7996, 9995, 10160, 10552, 13190, 15992, 19990, 21104, 26380, 31984, 39980, 52760, 79960, 105520, 159920, 167513, 253873, 335026, 507746, 670052, 837565, 1015492, 1269365, 1340104, 1675130, 2030984, 2538730, 2636681, 2680208, 3350260, 4061968, 5077460, 5273362, 6700520, 10154920, 10546724, 13183405, 13401040, 20309840, 21093448, 26366810, 42186896, 52733620, 105467240, 210934480, 334858487, 669716974, 1339433948, 1674292435, 2678867896, 3348584870, 5357735792, 6697169740, 13394339480, 26788678960]

約数ペア:

[(1, 26788678960), (2, 13394339480), (4, 6697169740), (5, 5357735792), (8, 3348584870), (10, 2678867896), (16, 1674292435), (20, 1339433948), (40, 669716974), (80, 334858487), (127, 210934480), (254, 105467240), (508, 52733620), (635, 42186896), (1016, 26366810), (1270, 21093448), (1319, 20309840), (1999, 13401040), (2032, 13183405), (2540, 10546724), (2638, 10154920), (3998, 6700520), (5080, 5273362), (5276, 5077460), (6595, 4061968), (7996, 3350260), (9995, 2680208), (10160, 2636681), (10552, 2538730), (13190, 2030984), (15992, 1675130), (19990, 1340104), (21104, 1269365), (26380, 1015492), (31984, 837565), (39980, 670052), (52760, 507746), (79960, 335026), (105520, 253873), (159920, 167513)]