8076220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 17978688

約数和(自身を除く): 9902468

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 181, 194, 230, 362, 388, 460, 485, 724, 905, 970, 1810, 1940, 2231, 3620, 4163, 4462, 8326, 8924, 11155, 16652, 17557, 20815, 22310, 35114, 41630, 44620, 70228, 83260, 87785, 175570, 351140, 403811, 807622, 1615244, 2019055, 4038110, 8076220]

約数ペア:

[(1, 8076220), (2, 4038110), (4, 2019055), (5, 1615244), (10, 807622), (20, 403811), (23, 351140), (46, 175570), (92, 87785), (97, 83260), (115, 70228), (181, 44620), (194, 41630), (230, 35114), (362, 22310), (388, 20815), (460, 17557), (485, 16652), (724, 11155), (905, 8924), (970, 8326), (1810, 4462), (1940, 4163), (2231, 3620)]