26436760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{359}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 68428800

約数和(自身を除く): 41992040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 359, 526, 718, 1052, 1315, 1436, 1795, 1841, 2104, 2513, 2630, 2872, 3590, 3682, 5026, 5260, 7180, 7364, 9205, 10052, 10520, 12565, 14360, 14728, 18410, 20104, 25130, 36820, 50260, 73640, 94417, 100520, 188834, 377668, 472085, 660919, 755336, 944170, 1321838, 1888340, 2643676, 3304595, 3776680, 5287352, 6609190, 13218380, 26436760]

約数ペア:

[(1, 26436760), (2, 13218380), (4, 6609190), (5, 5287352), (7, 3776680), (8, 3304595), (10, 2643676), (14, 1888340), (20, 1321838), (28, 944170), (35, 755336), (40, 660919), (56, 472085), (70, 377668), (140, 188834), (263, 100520), (280, 94417), (359, 73640), (526, 50260), (718, 36820), (1052, 25130), (1315, 20104), (1436, 18410), (1795, 14728), (1841, 14360), (2104, 12565), (2513, 10520), (2630, 10052), (2872, 9205), (3590, 7364), (3682, 7180), (5026, 5260)]