8915680

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{541}}^1$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 21307104

約数和(自身を除く): 12391424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 541, 824, 1030, 1082, 1648, 2060, 2164, 2705, 3296, 4120, 4328, 5410, 8240, 8656, 10820, 16480, 17312, 21640, 43280, 55723, 86560, 111446, 222892, 278615, 445784, 557230, 891568, 1114460, 1783136, 2228920, 4457840, 8915680]

約数ペア:

[(1, 8915680), (2, 4457840), (4, 2228920), (5, 1783136), (8, 1114460), (10, 891568), (16, 557230), (20, 445784), (32, 278615), (40, 222892), (80, 111446), (103, 86560), (160, 55723), (206, 43280), (412, 21640), (515, 17312), (541, 16480), (824, 10820), (1030, 8656), (1082, 8240), (1648, 5410), (2060, 4328), (2164, 4120), (2705, 3296)]