19887947880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{413299}}^1$

素因数の和:413714

約数の個数: 64

約数和(自身を含む): 59812776000

約数和(自身を除く): 39924828120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 401, 802, 1203, 1604, 2005, 2406, 3208, 4010, 4812, 6015, 8020, 9624, 12030, 16040, 24060, 48120, 413299, 826598, 1239897, 1653196, 2066495, 2479794, 3306392, 4132990, 4959588, 6199485, 8265980, 9919176, 12398970, 16531960, 24797940, 49595880, 165732899, 331465798, 497198697, 662931596, 828664495, 994397394, 1325863192, 1657328990, 1988794788, 2485993485, 3314657980, 3977589576, 4971986970, 6629315960, 9943973940, 19887947880]

約数ペア:

[(1, 19887947880), (2, 9943973940), (3, 6629315960), (4, 4971986970), (5, 3977589576), (6, 3314657980), (8, 2485993485), (10, 1988794788), (12, 1657328990), (15, 1325863192), (20, 994397394), (24, 828664495), (30, 662931596), (40, 497198697), (60, 331465798), (120, 165732899), (401, 49595880), (802, 24797940), (1203, 16531960), (1604, 12398970), (2005, 9919176), (2406, 8265980), (3208, 6199485), (4010, 4959588), (4812, 4132990), (6015, 3306392), (8020, 2479794), (9624, 2066495), (12030, 1653196), (16040, 1239897), (24060, 826598), (48120, 413299)]