13402480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:303

約数の個数: 120

約数和(自身を含む): 39184992

約数和(自身を除く): 25782512

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 263, 280, 364, 392, 455, 490, 520, 526, 560, 637, 728, 784, 910, 980, 1040, 1052, 1274, 1315, 1456, 1820, 1841, 1960, 2104, 2548, 2630, 3185, 3419, 3640, 3682, 3920, 4208, 5096, 5260, 6370, 6838, 7280, 7364, 9205, 10192, 10520, 12740, 12887, 13676, 14728, 17095, 18410, 21040, 23933, 25480, 25774, 27352, 29456, 34190, 36820, 47866, 50960, 51548, 54704, 64435, 68380, 73640, 95732, 103096, 119665, 128870, 136760, 147280, 167531, 191464, 206192, 239330, 257740, 273520, 335062, 382928, 478660, 515480, 670124, 837655, 957320, 1030960, 1340248, 1675310, 1914640, 2680496, 3350620, 6701240, 13402480]

約数ペア:

[(1, 13402480), (2, 6701240), (4, 3350620), (5, 2680496), (7, 1914640), (8, 1675310), (10, 1340248), (13, 1030960), (14, 957320), (16, 837655), (20, 670124), (26, 515480), (28, 478660), (35, 382928), (40, 335062), (49, 273520), (52, 257740), (56, 239330), (65, 206192), (70, 191464), (80, 167531), (91, 147280), (98, 136760), (104, 128870), (112, 119665), (130, 103096), (140, 95732), (182, 73640), (196, 68380), (208, 64435), (245, 54704), (260, 51548), (263, 50960), (280, 47866), (364, 36820), (392, 34190), (455, 29456), (490, 27352), (520, 25774), (526, 25480), (560, 23933), (637, 21040), (728, 18410), (784, 17095), (910, 14728), (980, 13676), (1040, 12887), (1052, 12740), (1274, 10520), (1315, 10192), (1456, 9205), (1820, 7364), (1841, 7280), (1960, 6838), (2104, 6370), (2548, 5260), (2630, 5096), (3185, 4208), (3419, 3920), (3640, 3682)]