31569280

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{461}}^1$

素因数の和:587

約数の個数: 64

約数和(自身を含む): 76340880

約数和(自身を除く): 44771600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 320, 428, 461, 535, 640, 856, 922, 1070, 1712, 1844, 2140, 2305, 3424, 3688, 4280, 4610, 6848, 7376, 8560, 9220, 13696, 14752, 17120, 18440, 29504, 34240, 36880, 49327, 59008, 68480, 73760, 98654, 147520, 197308, 246635, 295040, 394616, 493270, 789232, 986540, 1578464, 1973080, 3156928, 3946160, 6313856, 7892320, 15784640, 31569280]

約数ペア:

[(1, 31569280), (2, 15784640), (4, 7892320), (5, 6313856), (8, 3946160), (10, 3156928), (16, 1973080), (20, 1578464), (32, 986540), (40, 789232), (64, 493270), (80, 394616), (107, 295040), (128, 246635), (160, 197308), (214, 147520), (320, 98654), (428, 73760), (461, 68480), (535, 59008), (640, 49327), (856, 36880), (922, 34240), (1070, 29504), (1712, 18440), (1844, 17120), (2140, 14752), (2305, 13696), (3424, 9220), (3688, 8560), (4280, 7376), (4610, 6848)]