66192920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 153809280

約数和(自身を除く): 87616360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 137, 188, 235, 257, 274, 376, 470, 514, 548, 685, 940, 1028, 1096, 1285, 1370, 1880, 2056, 2570, 2740, 5140, 5480, 6439, 10280, 12079, 12878, 24158, 25756, 32195, 35209, 48316, 51512, 60395, 64390, 70418, 96632, 120790, 128780, 140836, 176045, 241580, 257560, 281672, 352090, 483160, 704180, 1408360, 1654823, 3309646, 6619292, 8274115, 13238584, 16548230, 33096460, 66192920]

約数ペア:

[(1, 66192920), (2, 33096460), (4, 16548230), (5, 13238584), (8, 8274115), (10, 6619292), (20, 3309646), (40, 1654823), (47, 1408360), (94, 704180), (137, 483160), (188, 352090), (235, 281672), (257, 257560), (274, 241580), (376, 176045), (470, 140836), (514, 128780), (548, 120790), (685, 96632), (940, 70418), (1028, 64390), (1096, 60395), (1285, 51512), (1370, 48316), (1880, 35209), (2056, 32195), (2570, 25756), (2740, 24158), (5140, 12878), (5480, 12079), (6439, 10280)]