55819540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{398711}}^1$

素因数の和:398727

約数の個数: 24

約数和(自身を含む): 133967232

約数和(自身を除く): 78147692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 398711, 797422, 1594844, 1993555, 2790977, 3987110, 5581954, 7974220, 11163908, 13954885, 27909770, 55819540]

約数ペア:

[(1, 55819540), (2, 27909770), (4, 13954885), (5, 11163908), (7, 7974220), (10, 5581954), (14, 3987110), (20, 2790977), (28, 1993555), (35, 1594844), (70, 797422), (140, 398711)]