201417680

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28289}}^1$

素因数の和:28391

約数の個数: 40

約数和(自身を含む): 473574600

約数和(自身を除く): 272156920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 28289, 56578, 113156, 141445, 226312, 282890, 452624, 565780, 1131560, 2263120, 2517721, 5035442, 10070884, 12588605, 20141768, 25177210, 40283536, 50354420, 100708840, 201417680]

約数ペア:

[(1, 201417680), (2, 100708840), (4, 50354420), (5, 40283536), (8, 25177210), (10, 20141768), (16, 12588605), (20, 10070884), (40, 5035442), (80, 2517721), (89, 2263120), (178, 1131560), (356, 565780), (445, 452624), (712, 282890), (890, 226312), (1424, 141445), (1780, 113156), (3560, 56578), (7120, 28289)]