80206924

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 171793440

約数和(自身を除く): 91586516

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 103, 116, 137, 196, 203, 206, 274, 406, 412, 548, 721, 812, 959, 1421, 1442, 1918, 2842, 2884, 2987, 3836, 3973, 5047, 5684, 5974, 6713, 7946, 10094, 11948, 13426, 14111, 15892, 20188, 20909, 26852, 27811, 28222, 41818, 55622, 56444, 83636, 98777, 111244, 146363, 194677, 197554, 292726, 389354, 395108, 409219, 585452, 691439, 778708, 818438, 1382878, 1636876, 2765756, 2864533, 5729066, 11458132, 20051731, 40103462, 80206924]

約数ペア:

[(1, 80206924), (2, 40103462), (4, 20051731), (7, 11458132), (14, 5729066), (28, 2864533), (29, 2765756), (49, 1636876), (58, 1382878), (98, 818438), (103, 778708), (116, 691439), (137, 585452), (196, 409219), (203, 395108), (206, 389354), (274, 292726), (406, 197554), (412, 194677), (548, 146363), (721, 111244), (812, 98777), (959, 83636), (1421, 56444), (1442, 55622), (1918, 41818), (2842, 28222), (2884, 27811), (2987, 26852), (3836, 20909), (3973, 20188), (5047, 15892), (5684, 14111), (5974, 13426), (6713, 11948), (7946, 10094)]