80655820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{33889}}^1$

素因数の和:33922

約数の個数: 48

約数和(自身を含む): 204966720

約数和(自身を除く): 124310900

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 33889, 67778, 135556, 169445, 237223, 338890, 474446, 576113, 677780, 948892, 1152226, 1186115, 2304452, 2372230, 2880565, 4032791, 4744460, 5761130, 8065582, 11522260, 16131164, 20163955, 40327910, 80655820]

約数ペア:

[(1, 80655820), (2, 40327910), (4, 20163955), (5, 16131164), (7, 11522260), (10, 8065582), (14, 5761130), (17, 4744460), (20, 4032791), (28, 2880565), (34, 2372230), (35, 2304452), (68, 1186115), (70, 1152226), (85, 948892), (119, 677780), (140, 576113), (170, 474446), (238, 338890), (340, 237223), (476, 169445), (595, 135556), (1190, 67778), (2380, 33889)]