26090540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 64733760

約数和(自身を除く): 38643220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 337, 395, 490, 553, 674, 790, 980, 1106, 1348, 1580, 1685, 2212, 2359, 2765, 3370, 3871, 4718, 5530, 6740, 7742, 9436, 11060, 11795, 15484, 16513, 19355, 23590, 26623, 33026, 38710, 47180, 53246, 66052, 77420, 82565, 106492, 133115, 165130, 186361, 266230, 330260, 372722, 532460, 745444, 931805, 1304527, 1863610, 2609054, 3727220, 5218108, 6522635, 13045270, 26090540]

約数ペア:

[(1, 26090540), (2, 13045270), (4, 6522635), (5, 5218108), (7, 3727220), (10, 2609054), (14, 1863610), (20, 1304527), (28, 931805), (35, 745444), (49, 532460), (70, 372722), (79, 330260), (98, 266230), (140, 186361), (158, 165130), (196, 133115), (245, 106492), (316, 82565), (337, 77420), (395, 66052), (490, 53246), (553, 47180), (674, 38710), (790, 33026), (980, 26623), (1106, 23590), (1348, 19355), (1580, 16513), (1685, 15484), (2212, 11795), (2359, 11060), (2765, 9436), (3370, 7742), (3871, 6740), (4718, 5530)]