200895160

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{12911}}^1$

素因数の和:13311

約数の個数: 32

約数和(自身を含む): 453211200

約数和(自身を除く): 252316040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 12911, 15560, 25822, 51644, 64555, 103288, 129110, 258220, 516440, 5022379, 10044758, 20089516, 25111895, 40179032, 50223790, 100447580, 200895160]

約数ペア:

[(1, 200895160), (2, 100447580), (4, 50223790), (5, 40179032), (8, 25111895), (10, 20089516), (20, 10044758), (40, 5022379), (389, 516440), (778, 258220), (1556, 129110), (1945, 103288), (3112, 64555), (3890, 51644), (7780, 25822), (12911, 15560)]