42290680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 98794080

約数和(自身を除く): 56503400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 107, 164, 205, 214, 241, 328, 410, 428, 482, 535, 820, 856, 964, 1070, 1205, 1640, 1928, 2140, 2410, 4280, 4387, 4820, 8774, 9640, 9881, 17548, 19762, 21935, 25787, 35096, 39524, 43870, 49405, 51574, 79048, 87740, 98810, 103148, 128935, 175480, 197620, 206296, 257870, 395240, 515740, 1031480, 1057267, 2114534, 4229068, 5286335, 8458136, 10572670, 21145340, 42290680]

約数ペア:

[(1, 42290680), (2, 21145340), (4, 10572670), (5, 8458136), (8, 5286335), (10, 4229068), (20, 2114534), (40, 1057267), (41, 1031480), (82, 515740), (107, 395240), (164, 257870), (205, 206296), (214, 197620), (241, 175480), (328, 128935), (410, 103148), (428, 98810), (482, 87740), (535, 79048), (820, 51574), (856, 49405), (964, 43870), (1070, 39524), (1205, 35096), (1640, 25787), (1928, 21935), (2140, 19762), (2410, 17548), (4280, 9881), (4387, 9640), (4820, 8774)]