55569640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{198463}}^1$

素因数の和:198481

約数の個数: 32

約数和(自身を含む): 142894080

約数和(自身を除く): 87324440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 198463, 396926, 793852, 992315, 1389241, 1587704, 1984630, 2778482, 3969260, 5556964, 6946205, 7938520, 11113928, 13892410, 27784820, 55569640]

約数ペア:

[(1, 55569640), (2, 27784820), (4, 13892410), (5, 11113928), (7, 7938520), (8, 6946205), (10, 5556964), (14, 3969260), (20, 2778482), (28, 1984630), (35, 1587704), (40, 1389241), (56, 992315), (70, 793852), (140, 396926), (280, 198463)]