127384960

素因数分解:

$2^7\times 5^1\times {\mathrm{199039}}^1$

素因数の和:199058

約数の個数: 32

約数和(自身を含む): 304531200

約数和(自身を除く): 177146240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 199039, 398078, 796156, 995195, 1592312, 1990390, 3184624, 3980780, 6369248, 7961560, 12738496, 15923120, 25476992, 31846240, 63692480, 127384960]

約数ペア:

[(1, 127384960), (2, 63692480), (4, 31846240), (5, 25476992), (8, 15923120), (10, 12738496), (16, 7961560), (20, 6369248), (32, 3980780), (40, 3184624), (64, 1990390), (80, 1592312), (128, 995195), (160, 796156), (320, 398078), (640, 199039)]