41356780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 89369280

約数和(自身を除く): 48012500

約数列:

[1, 2, 4, 5, 10, 20, 61, 109, 122, 218, 244, 305, 311, 436, 545, 610, 622, 1090, 1220, 1244, 1555, 2180, 3110, 6220, 6649, 13298, 18971, 26596, 33245, 33899, 37942, 66490, 67798, 75884, 94855, 132980, 135596, 169495, 189710, 338990, 379420, 677980, 2067839, 4135678, 8271356, 10339195, 20678390, 41356780]

約数ペア:

[(1, 41356780), (2, 20678390), (4, 10339195), (5, 8271356), (10, 4135678), (20, 2067839), (61, 677980), (109, 379420), (122, 338990), (218, 189710), (244, 169495), (305, 135596), (311, 132980), (436, 94855), (545, 75884), (610, 67798), (622, 66490), (1090, 37942), (1220, 33899), (1244, 33245), (1555, 26596), (2180, 18971), (3110, 13298), (6220, 6649)]