29890640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{701}}^1$

素因数の和:768

約数の個数: 80

約数和(自身を含む): 76776336

約数和(自身を除く): 46885696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 701, 820, 1040, 1066, 1402, 1640, 2132, 2665, 2804, 3280, 3505, 4264, 5330, 5608, 7010, 8528, 9113, 10660, 11216, 14020, 18226, 21320, 28040, 28741, 36452, 42640, 45565, 56080, 57482, 72904, 91130, 114964, 143705, 145808, 182260, 229928, 287410, 364520, 373633, 459856, 574820, 729040, 747266, 1149640, 1494532, 1868165, 2299280, 2989064, 3736330, 5978128, 7472660, 14945320, 29890640]

約数ペア:

[(1, 29890640), (2, 14945320), (4, 7472660), (5, 5978128), (8, 3736330), (10, 2989064), (13, 2299280), (16, 1868165), (20, 1494532), (26, 1149640), (40, 747266), (41, 729040), (52, 574820), (65, 459856), (80, 373633), (82, 364520), (104, 287410), (130, 229928), (164, 182260), (205, 145808), (208, 143705), (260, 114964), (328, 91130), (410, 72904), (520, 57482), (533, 56080), (656, 45565), (701, 42640), (820, 36452), (1040, 28741), (1066, 28040), (1402, 21320), (1640, 18226), (2132, 14020), (2665, 11216), (2804, 10660), (3280, 9113), (3505, 8528), (4264, 7010), (5330, 5608)]