51451520

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4729}}^1$

素因数の和:4765

約数の個数: 64

約数和(自身を含む): 130264200

約数和(自身を除く): 78812680

約数列:

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

約数ペア:

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