178847440

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{42181}}^1$

素因数の和:42247

約数の個数: 40

約数和(自身を含む): 423676008

約数和(自身を除く): 244828568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 42181, 84362, 168724, 210905, 337448, 421810, 674896, 843620, 1687240, 2235593, 3374480, 4471186, 8942372, 11177965, 17884744, 22355930, 35769488, 44711860, 89423720, 178847440]

約数ペア:

[(1, 178847440), (2, 89423720), (4, 44711860), (5, 35769488), (8, 22355930), (10, 17884744), (16, 11177965), (20, 8942372), (40, 4471186), (53, 3374480), (80, 2235593), (106, 1687240), (212, 843620), (265, 674896), (424, 421810), (530, 337448), (848, 210905), (1060, 168724), (2120, 84362), (4240, 42181)]