82780160

素因数分解:

$2^{13}\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 112

約数和(自身を含む): 207605376

約数和(自身を除く): 124825216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 47, 64, 80, 86, 94, 128, 160, 172, 188, 215, 235, 256, 320, 344, 376, 430, 470, 512, 640, 688, 752, 860, 940, 1024, 1280, 1376, 1504, 1720, 1880, 2021, 2048, 2560, 2752, 3008, 3440, 3760, 4042, 4096, 5120, 5504, 6016, 6880, 7520, 8084, 8192, 10105, 10240, 11008, 12032, 13760, 15040, 16168, 20210, 20480, 22016, 24064, 27520, 30080, 32336, 40420, 40960, 44032, 48128, 55040, 60160, 64672, 80840, 88064, 96256, 110080, 120320, 129344, 161680, 176128, 192512, 220160, 240640, 258688, 323360, 352256, 385024, 440320, 481280, 517376, 646720, 880640, 962560, 1034752, 1293440, 1761280, 1925120, 2069504, 2586880, 4139008, 5173760, 8278016, 10347520, 16556032, 20695040, 41390080, 82780160]

約数ペア:

[(1, 82780160), (2, 41390080), (4, 20695040), (5, 16556032), (8, 10347520), (10, 8278016), (16, 5173760), (20, 4139008), (32, 2586880), (40, 2069504), (43, 1925120), (47, 1761280), (64, 1293440), (80, 1034752), (86, 962560), (94, 880640), (128, 646720), (160, 517376), (172, 481280), (188, 440320), (215, 385024), (235, 352256), (256, 323360), (320, 258688), (344, 240640), (376, 220160), (430, 192512), (470, 176128), (512, 161680), (640, 129344), (688, 120320), (752, 110080), (860, 96256), (940, 88064), (1024, 80840), (1280, 64672), (1376, 60160), (1504, 55040), (1720, 48128), (1880, 44032), (2021, 40960), (2048, 40420), (2560, 32336), (2752, 30080), (3008, 27520), (3440, 24064), (3760, 22016), (4042, 20480), (4096, 20210), (5120, 16168), (5504, 15040), (6016, 13760), (6880, 12032), (7520, 11008), (8084, 10240), (8192, 10105)]