91221560

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{17957}}^1$

素因数の和:18095

約数の個数: 32

約数和(自身を含む): 206876160

約数和(自身を除く): 115654600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 17957, 35914, 71828, 89785, 143656, 179570, 359140, 718280, 2280539, 4561078, 9122156, 11402695, 18244312, 22805390, 45610780, 91221560]

約数ペア:

[(1, 91221560), (2, 45610780), (4, 22805390), (5, 18244312), (8, 11402695), (10, 9122156), (20, 4561078), (40, 2280539), (127, 718280), (254, 359140), (508, 179570), (635, 143656), (1016, 89785), (1270, 71828), (2540, 35914), (5080, 17957)]