80221372

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1439}}^1$

素因数の和:1642

約数の個数: 48

約数和(自身を含む): 176117760

約数和(自身を除く): 95896388

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 181, 308, 362, 724, 1267, 1439, 1991, 2534, 2878, 3982, 5068, 5756, 7964, 10073, 13937, 15829, 20146, 27874, 31658, 40292, 55748, 63316, 110803, 221606, 260459, 443212, 520918, 1041836, 1823213, 2865049, 3646426, 5730098, 7292852, 11460196, 20055343, 40110686, 80221372]

約数ペア:

[(1, 80221372), (2, 40110686), (4, 20055343), (7, 11460196), (11, 7292852), (14, 5730098), (22, 3646426), (28, 2865049), (44, 1823213), (77, 1041836), (154, 520918), (181, 443212), (308, 260459), (362, 221606), (724, 110803), (1267, 63316), (1439, 55748), (1991, 40292), (2534, 31658), (2878, 27874), (3982, 20146), (5068, 15829), (5756, 13937), (7964, 10073)]