39439280

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1171}}^1$

素因数の和:1605

約数の個数: 40

約数和(自身を含む): 91992624

約数和(自身を除く): 52553344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1171, 1684, 2105, 2342, 3368, 4210, 4684, 5855, 6736, 8420, 9368, 11710, 16840, 18736, 23420, 33680, 46840, 93680, 492991, 985982, 1971964, 2464955, 3943928, 4929910, 7887856, 9859820, 19719640, 39439280]

約数ペア:

[(1, 39439280), (2, 19719640), (4, 9859820), (5, 7887856), (8, 4929910), (10, 3943928), (16, 2464955), (20, 1971964), (40, 985982), (80, 492991), (421, 93680), (842, 46840), (1171, 33680), (1684, 23420), (2105, 18736), (2342, 16840), (3368, 11710), (4210, 9368), (4684, 8420), (5855, 6736)]