158403880

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{17293}}^1$

素因数の和:17533

約数の個数: 32

約数和(自身を含む): 357985800

約数和(自身を除く): 199581920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9160, 17293, 34586, 69172, 86465, 138344, 172930, 345860, 691720, 3960097, 7920194, 15840388, 19800485, 31680776, 39600970, 79201940, 158403880]

約数ペア:

[(1, 158403880), (2, 79201940), (4, 39600970), (5, 31680776), (8, 19800485), (10, 15840388), (20, 7920194), (40, 3960097), (229, 691720), (458, 345860), (916, 172930), (1145, 138344), (1832, 86465), (2290, 69172), (4580, 34586), (9160, 17293)]