1269851920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{369143}}^1$

素因数の和:369199

約数の個数: 40

約数和(自身を含む): 3021074496

約数和(自身を除く): 1751222576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 369143, 738286, 1476572, 1845715, 2953144, 3691430, 5906288, 7382860, 14765720, 15873149, 29531440, 31746298, 63492596, 79365745, 126985192, 158731490, 253970384, 317462980, 634925960, 1269851920]

約数ペア:

[(1, 1269851920), (2, 634925960), (4, 317462980), (5, 253970384), (8, 158731490), (10, 126985192), (16, 79365745), (20, 63492596), (40, 31746298), (43, 29531440), (80, 15873149), (86, 14765720), (172, 7382860), (215, 5906288), (344, 3691430), (430, 2953144), (688, 1845715), (860, 1476572), (1720, 738286), (3440, 369143)]