64743440

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 156632832

約数和(自身を除く): 91889392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 67, 80, 94, 134, 188, 235, 257, 268, 335, 376, 470, 514, 536, 670, 752, 940, 1028, 1072, 1285, 1340, 1880, 2056, 2570, 2680, 3149, 3760, 4112, 5140, 5360, 6298, 10280, 12079, 12596, 15745, 17219, 20560, 24158, 25192, 31490, 34438, 48316, 50384, 60395, 62980, 68876, 86095, 96632, 120790, 125960, 137752, 172190, 193264, 241580, 251920, 275504, 344380, 483160, 688760, 809293, 966320, 1377520, 1618586, 3237172, 4046465, 6474344, 8092930, 12948688, 16185860, 32371720, 64743440]

約数ペア:

[(1, 64743440), (2, 32371720), (4, 16185860), (5, 12948688), (8, 8092930), (10, 6474344), (16, 4046465), (20, 3237172), (40, 1618586), (47, 1377520), (67, 966320), (80, 809293), (94, 688760), (134, 483160), (188, 344380), (235, 275504), (257, 251920), (268, 241580), (335, 193264), (376, 172190), (470, 137752), (514, 125960), (536, 120790), (670, 96632), (752, 86095), (940, 68876), (1028, 62980), (1072, 60395), (1285, 50384), (1340, 48316), (1880, 34438), (2056, 31490), (2570, 25192), (2680, 24158), (3149, 20560), (3760, 17219), (4112, 15745), (5140, 12596), (5360, 12079), (6298, 10280)]