17641840

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2141}}^1$

素因数の和:2257

約数の個数: 40

約数和(自身を含む): 41434848

約数和(自身を除く): 23793008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 2141, 4120, 4282, 8240, 8564, 10705, 17128, 21410, 34256, 42820, 85640, 171280, 220523, 441046, 882092, 1102615, 1764184, 2205230, 3528368, 4410460, 8820920, 17641840]

約数ペア:

[(1, 17641840), (2, 8820920), (4, 4410460), (5, 3528368), (8, 2205230), (10, 1764184), (16, 1102615), (20, 882092), (40, 441046), (80, 220523), (103, 171280), (206, 85640), (412, 42820), (515, 34256), (824, 21410), (1030, 17128), (1648, 10705), (2060, 8564), (2141, 8240), (4120, 4282)]