7852420

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1993}}^1$

素因数の和:2199

約数の個数: 24

約数和(自身を含む): 16582104

約数和(自身を除く): 8729684

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 1993, 3940, 3986, 7972, 9965, 19930, 39860, 392621, 785242, 1570484, 1963105, 3926210, 7852420]

約数ペア:

[(1, 7852420), (2, 3926210), (4, 1963105), (5, 1570484), (10, 785242), (20, 392621), (197, 39860), (394, 19930), (788, 9965), (985, 7972), (1970, 3986), (1993, 3940)]