156545920

素因数分解:

$2^7\times 5^1\times {\mathrm{244603}}^1$

素因数の和:244622

約数の個数: 32

約数和(自身を含む): 374244120

約数和(自身を除く): 217698200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 244603, 489206, 978412, 1223015, 1956824, 2446030, 3913648, 4892060, 7827296, 9784120, 15654592, 19568240, 31309184, 39136480, 78272960, 156545920]

約数ペア:

[(1, 156545920), (2, 78272960), (4, 39136480), (5, 31309184), (8, 19568240), (10, 15654592), (16, 9784120), (20, 7827296), (32, 4892060), (40, 3913648), (64, 2446030), (80, 1956824), (128, 1223015), (160, 978412), (320, 489206), (640, 244603)]