64267400

素因数分解:

$2^3\times 5^2\times {\mathrm{383}}^1\times {\mathrm{839}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 149990400

約数和(自身を除く): 85723000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 383, 766, 839, 1532, 1678, 1915, 3064, 3356, 3830, 4195, 6712, 7660, 8390, 9575, 15320, 16780, 19150, 20975, 33560, 38300, 41950, 76600, 83900, 167800, 321337, 642674, 1285348, 1606685, 2570696, 3213370, 6426740, 8033425, 12853480, 16066850, 32133700, 64267400]

約数ペア:

[(1, 64267400), (2, 32133700), (4, 16066850), (5, 12853480), (8, 8033425), (10, 6426740), (20, 3213370), (25, 2570696), (40, 1606685), (50, 1285348), (100, 642674), (200, 321337), (383, 167800), (766, 83900), (839, 76600), (1532, 41950), (1678, 38300), (1915, 33560), (3064, 20975), (3356, 19150), (3830, 16780), (4195, 15320), (6712, 9575), (7660, 8390)]