2080452920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{4363}}^1$

素因数の和:4525

約数の個数: 128

約数和(自身を含む): 5806563840

約数和(自身を除く): 3726110920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 131, 140, 182, 260, 262, 280, 364, 455, 520, 524, 655, 728, 910, 917, 1048, 1310, 1703, 1820, 1834, 2620, 3406, 3640, 3668, 4363, 4585, 5240, 6812, 7336, 8515, 8726, 9170, 11921, 13624, 17030, 17452, 18340, 21815, 23842, 30541, 34060, 34904, 36680, 43630, 47684, 56719, 59605, 61082, 68120, 87260, 95368, 113438, 119210, 122164, 152705, 174520, 226876, 238420, 244328, 283595, 305410, 397033, 453752, 476840, 567190, 571553, 610820, 794066, 1134380, 1143106, 1221640, 1588132, 1985165, 2268760, 2286212, 2857765, 3176264, 3970330, 4000871, 4572424, 5715530, 7430189, 7940660, 8001742, 11431060, 14860378, 15881320, 16003484, 20004355, 22862120, 29720756, 32006968, 37150945, 40008710, 52011323, 59441512, 74301890, 80017420, 104022646, 148603780, 160034840, 208045292, 260056615, 297207560, 416090584, 520113230, 1040226460, 2080452920]

約数ペア:

[(1, 2080452920), (2, 1040226460), (4, 520113230), (5, 416090584), (7, 297207560), (8, 260056615), (10, 208045292), (13, 160034840), (14, 148603780), (20, 104022646), (26, 80017420), (28, 74301890), (35, 59441512), (40, 52011323), (52, 40008710), (56, 37150945), (65, 32006968), (70, 29720756), (91, 22862120), (104, 20004355), (130, 16003484), (131, 15881320), (140, 14860378), (182, 11431060), (260, 8001742), (262, 7940660), (280, 7430189), (364, 5715530), (455, 4572424), (520, 4000871), (524, 3970330), (655, 3176264), (728, 2857765), (910, 2286212), (917, 2268760), (1048, 1985165), (1310, 1588132), (1703, 1221640), (1820, 1143106), (1834, 1134380), (2620, 794066), (3406, 610820), (3640, 571553), (3668, 567190), (4363, 476840), (4585, 453752), (5240, 397033), (6812, 305410), (7336, 283595), (8515, 244328), (8726, 238420), (9170, 226876), (11921, 174520), (13624, 152705), (17030, 122164), (17452, 119210), (18340, 113438), (21815, 95368), (23842, 87260), (30541, 68120), (34060, 61082), (34904, 59605), (36680, 56719), (43630, 47684)]