71543080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{255511}}^1$

素因数の和:255529

約数の個数: 32

約数和(自身を含む): 183968640

約数和(自身を除く): 112425560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 255511, 511022, 1022044, 1277555, 1788577, 2044088, 2555110, 3577154, 5110220, 7154308, 8942885, 10220440, 14308616, 17885770, 35771540, 71543080]

約数ペア:

[(1, 71543080), (2, 35771540), (4, 17885770), (5, 14308616), (7, 10220440), (8, 8942885), (10, 7154308), (14, 5110220), (20, 3577154), (28, 2555110), (35, 2044088), (40, 1788577), (56, 1277555), (70, 1022044), (140, 511022), (280, 255511)]