205806080

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4729}}^1$

素因数の和:4769

約数の個数: 80

約数和(自身を含む): 522589320

約数和(自身を除く): 316783240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 2176, 2560, 2720, 4352, 4729, 5440, 8704, 9458, 10880, 18916, 21760, 23645, 37832, 43520, 47290, 75664, 80393, 94580, 151328, 160786, 189160, 302656, 321572, 378320, 401965, 605312, 643144, 756640, 803930, 1210624, 1286288, 1513280, 1607860, 2421248, 2572576, 3026560, 3215720, 5145152, 6053120, 6431440, 10290304, 12106240, 12862880, 20580608, 25725760, 41161216, 51451520, 102903040, 205806080]

約数ペア:

[(1, 205806080), (2, 102903040), (4, 51451520), (5, 41161216), (8, 25725760), (10, 20580608), (16, 12862880), (17, 12106240), (20, 10290304), (32, 6431440), (34, 6053120), (40, 5145152), (64, 3215720), (68, 3026560), (80, 2572576), (85, 2421248), (128, 1607860), (136, 1513280), (160, 1286288), (170, 1210624), (256, 803930), (272, 756640), (320, 643144), (340, 605312), (512, 401965), (544, 378320), (640, 321572), (680, 302656), (1088, 189160), (1280, 160786), (1360, 151328), (2176, 94580), (2560, 80393), (2720, 75664), (4352, 47290), (4729, 43520), (5440, 37832), (8704, 23645), (9458, 21760), (10880, 18916)]