927805840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20747}}^1$

素因数の和:20816

約数の個数: 80

約数和(自身を含む): 2377222848

約数和(自身を除く): 1449417008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1720, 2236, 2795, 3440, 4472, 5590, 8944, 11180, 20747, 22360, 41494, 44720, 82988, 103735, 165976, 207470, 269711, 331952, 414940, 539422, 829880, 892121, 1078844, 1348555, 1659760, 1784242, 2157688, 2697110, 3568484, 4315376, 4460605, 5394220, 7136968, 8921210, 10788440, 11597573, 14273936, 17842420, 21576880, 23195146, 35684840, 46390292, 57987865, 71369680, 92780584, 115975730, 185561168, 231951460, 463902920, 927805840]

約数ペア:

[(1, 927805840), (2, 463902920), (4, 231951460), (5, 185561168), (8, 115975730), (10, 92780584), (13, 71369680), (16, 57987865), (20, 46390292), (26, 35684840), (40, 23195146), (43, 21576880), (52, 17842420), (65, 14273936), (80, 11597573), (86, 10788440), (104, 8921210), (130, 7136968), (172, 5394220), (208, 4460605), (215, 4315376), (260, 3568484), (344, 2697110), (430, 2157688), (520, 1784242), (559, 1659760), (688, 1348555), (860, 1078844), (1040, 892121), (1118, 829880), (1720, 539422), (2236, 414940), (2795, 331952), (3440, 269711), (4472, 207470), (5590, 165976), (8944, 103735), (11180, 82988), (20747, 44720), (22360, 41494)]