55109240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81043}}^1$

素因数の和:81071

約数の個数: 32

約数和(自身を含む): 131291280

約数和(自身を除く): 76182040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 81043, 162086, 324172, 405215, 648344, 810430, 1377731, 1620860, 2755462, 3241720, 5510924, 6888655, 11021848, 13777310, 27554620, 55109240]

約数ペア:

[(1, 55109240), (2, 27554620), (4, 13777310), (5, 11021848), (8, 6888655), (10, 5510924), (17, 3241720), (20, 2755462), (34, 1620860), (40, 1377731), (68, 810430), (85, 648344), (136, 405215), (170, 324172), (340, 162086), (680, 81043)]