86688920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 201165120

約数和(自身を除く): 114476200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 103, 106, 206, 212, 265, 397, 412, 424, 515, 530, 794, 824, 1030, 1060, 1588, 1985, 2060, 2120, 3176, 3970, 4120, 5459, 7940, 10918, 15880, 21041, 21836, 27295, 40891, 42082, 43672, 54590, 81782, 84164, 105205, 109180, 163564, 168328, 204455, 210410, 218360, 327128, 408910, 420820, 817820, 841640, 1635640, 2167223, 4334446, 8668892, 10836115, 17337784, 21672230, 43344460, 86688920]

約数ペア:

[(1, 86688920), (2, 43344460), (4, 21672230), (5, 17337784), (8, 10836115), (10, 8668892), (20, 4334446), (40, 2167223), (53, 1635640), (103, 841640), (106, 817820), (206, 420820), (212, 408910), (265, 327128), (397, 218360), (412, 210410), (424, 204455), (515, 168328), (530, 163564), (794, 109180), (824, 105205), (1030, 84164), (1060, 81782), (1588, 54590), (1985, 43672), (2060, 42082), (2120, 40891), (3176, 27295), (3970, 21836), (4120, 21041), (5459, 15880), (7940, 10918)]