80949650

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1637}}^1$

素因数の和:1715

約数の個数: 48

約数和(自身を含む): 160864704

約数和(自身を除く): 79915054

約数列:

[1, 2, 5, 10, 23, 25, 43, 46, 50, 86, 115, 215, 230, 430, 575, 989, 1075, 1150, 1637, 1978, 2150, 3274, 4945, 8185, 9890, 16370, 24725, 37651, 40925, 49450, 70391, 75302, 81850, 140782, 188255, 351955, 376510, 703910, 941275, 1618993, 1759775, 1882550, 3237986, 3519550, 8094965, 16189930, 40474825, 80949650]

約数ペア:

[(1, 80949650), (2, 40474825), (5, 16189930), (10, 8094965), (23, 3519550), (25, 3237986), (43, 1882550), (46, 1759775), (50, 1618993), (86, 941275), (115, 703910), (215, 376510), (230, 351955), (430, 188255), (575, 140782), (989, 81850), (1075, 75302), (1150, 70391), (1637, 49450), (1978, 40925), (2150, 37651), (3274, 24725), (4945, 16370), (8185, 9890)]