69845960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{42589}}^1$

素因数の和:42641

約数の個数: 32

約数和(自身を含む): 160990200

約数和(自身を除く): 91144240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 42589, 85178, 170356, 212945, 340712, 425890, 851780, 1703560, 1746149, 3492298, 6984596, 8730745, 13969192, 17461490, 34922980, 69845960]

約数ペア:

[(1, 69845960), (2, 34922980), (4, 17461490), (5, 13969192), (8, 8730745), (10, 6984596), (20, 3492298), (40, 1746149), (41, 1703560), (82, 851780), (164, 425890), (205, 340712), (328, 212945), (410, 170356), (820, 85178), (1640, 42589)]