2005806320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{13619}}^1$

素因数の和:13902

約数の個数: 80

約数和(自身を含む): 5350371840

約数和(自身を除く): 3344565520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 263, 280, 526, 560, 1052, 1315, 1841, 2104, 2630, 3682, 4208, 5260, 7364, 9205, 10520, 13619, 14728, 18410, 21040, 27238, 29456, 36820, 54476, 68095, 73640, 95333, 108952, 136190, 147280, 190666, 217904, 272380, 381332, 476665, 544760, 762664, 953330, 1089520, 1525328, 1906660, 3581797, 3813320, 7163594, 7626640, 14327188, 17908985, 25072579, 28654376, 35817970, 50145158, 57308752, 71635940, 100290316, 125362895, 143271880, 200580632, 250725790, 286543760, 401161264, 501451580, 1002903160, 2005806320]

約数ペア:

[(1, 2005806320), (2, 1002903160), (4, 501451580), (5, 401161264), (7, 286543760), (8, 250725790), (10, 200580632), (14, 143271880), (16, 125362895), (20, 100290316), (28, 71635940), (35, 57308752), (40, 50145158), (56, 35817970), (70, 28654376), (80, 25072579), (112, 17908985), (140, 14327188), (263, 7626640), (280, 7163594), (526, 3813320), (560, 3581797), (1052, 1906660), (1315, 1525328), (1841, 1089520), (2104, 953330), (2630, 762664), (3682, 544760), (4208, 476665), (5260, 381332), (7364, 272380), (9205, 217904), (10520, 190666), (13619, 147280), (14728, 136190), (18410, 108952), (21040, 95333), (27238, 73640), (29456, 68095), (36820, 54476)]