404606980

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{80599}}^1$

素因数の和:80859

約数の個数: 24

約数和(自身を含む): 853070400

約数和(自身を除く): 448463420

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 80599, 161198, 322396, 402995, 805990, 1611980, 20230349, 40460698, 80921396, 101151745, 202303490, 404606980]

約数ペア:

[(1, 404606980), (2, 202303490), (4, 101151745), (5, 80921396), (10, 40460698), (20, 20230349), (251, 1611980), (502, 805990), (1004, 402995), (1255, 322396), (2510, 161198), (5020, 80599)]