66732880

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10559}}^1$

素因数の和:10651

約数の個数: 40

約数和(自身を含む): 157132800

約数和(自身を除く): 90399920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 10559, 21118, 42236, 52795, 84472, 105590, 168944, 211180, 422360, 834161, 844720, 1668322, 3336644, 4170805, 6673288, 8341610, 13346576, 16683220, 33366440, 66732880]

約数ペア:

[(1, 66732880), (2, 33366440), (4, 16683220), (5, 13346576), (8, 8341610), (10, 6673288), (16, 4170805), (20, 3336644), (40, 1668322), (79, 844720), (80, 834161), (158, 422360), (316, 211180), (395, 168944), (632, 105590), (790, 84472), (1264, 52795), (1580, 42236), (3160, 21118), (6320, 10559)]