120418040

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{7583}}^1$

素因数の和:7991

約数の個数: 32

約数和(自身を含む): 271658880

約数和(自身を除く): 151240840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7583, 7940, 15166, 15880, 30332, 37915, 60664, 75830, 151660, 303320, 3010451, 6020902, 12041804, 15052255, 24083608, 30104510, 60209020, 120418040]

約数ペア:

[(1, 120418040), (2, 60209020), (4, 30104510), (5, 24083608), (8, 15052255), (10, 12041804), (20, 6020902), (40, 3010451), (397, 303320), (794, 151660), (1588, 75830), (1985, 60664), (3176, 37915), (3970, 30332), (7583, 15880), (7940, 15166)]