42405808

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{509}}^1$

素因数の和:685

約数の個数: 40

約数和(自身を含む): 84994560

約数和(自身を除く): 42588752

約数列:

[1, 2, 4, 8, 16, 41, 82, 127, 164, 254, 328, 508, 509, 656, 1016, 1018, 2032, 2036, 4072, 5207, 8144, 10414, 20828, 20869, 41656, 41738, 64643, 83312, 83476, 129286, 166952, 258572, 333904, 517144, 1034288, 2650363, 5300726, 10601452, 21202904, 42405808]

約数ペア:

[(1, 42405808), (2, 21202904), (4, 10601452), (8, 5300726), (16, 2650363), (41, 1034288), (82, 517144), (127, 333904), (164, 258572), (254, 166952), (328, 129286), (508, 83476), (509, 83312), (656, 64643), (1016, 41738), (1018, 41656), (2032, 20869), (2036, 20828), (4072, 10414), (5207, 8144)]