61371920

素因数分解:

$2^4\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2003}}^1$

素因数の和:2399

約数の個数: 40

約数和(自身を含む): 143133696

約数和(自身を除く): 81761776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383, 766, 1532, 1915, 2003, 3064, 3830, 4006, 6128, 7660, 8012, 10015, 15320, 16024, 20030, 30640, 32048, 40060, 80120, 160240, 767149, 1534298, 3068596, 3835745, 6137192, 7671490, 12274384, 15342980, 30685960, 61371920]

約数ペア:

[(1, 61371920), (2, 30685960), (4, 15342980), (5, 12274384), (8, 7671490), (10, 6137192), (16, 3835745), (20, 3068596), (40, 1534298), (80, 767149), (383, 160240), (766, 80120), (1532, 40060), (1915, 32048), (2003, 30640), (3064, 20030), (3830, 16024), (4006, 15320), (6128, 10015), (7660, 8012)]