123433840

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{12149}}^1$

素因数の和:12289

約数の個数: 40

約数和(自身を含む): 289267200

約数和(自身を除く): 165833360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 12149, 24298, 48596, 60745, 97192, 121490, 194384, 242980, 485960, 971920, 1542923, 3085846, 6171692, 7714615, 12343384, 15429230, 24686768, 30858460, 61716920, 123433840]

約数ペア:

[(1, 123433840), (2, 61716920), (4, 30858460), (5, 24686768), (8, 15429230), (10, 12343384), (16, 7714615), (20, 6171692), (40, 3085846), (80, 1542923), (127, 971920), (254, 485960), (508, 242980), (635, 194384), (1016, 121490), (1270, 97192), (2032, 60745), (2540, 48596), (5080, 24298), (10160, 12149)]