201771280

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{6353}}^1$

素因数の和:6763

約数の個数: 40

約数和(自身を含む): 470373912

約数和(自身を除く): 268602632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1985, 3176, 3970, 6352, 6353, 7940, 12706, 15880, 25412, 31760, 31765, 50824, 63530, 101648, 127060, 254120, 508240, 2522141, 5044282, 10088564, 12610705, 20177128, 25221410, 40354256, 50442820, 100885640, 201771280]

約数ペア:

[(1, 201771280), (2, 100885640), (4, 50442820), (5, 40354256), (8, 25221410), (10, 20177128), (16, 12610705), (20, 10088564), (40, 5044282), (80, 2522141), (397, 508240), (794, 254120), (1588, 127060), (1985, 101648), (3176, 63530), (3970, 50824), (6352, 31765), (6353, 31760), (7940, 25412), (12706, 15880)]