1277310080

素因数分解:

$2^7\times 5^1\times {\mathrm{1995797}}^1$

素因数の和:1995816

約数の個数: 32

約数和(自身を含む): 3053570940

約数和(自身を除く): 1776260860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1995797, 3991594, 7983188, 9978985, 15966376, 19957970, 31932752, 39915940, 63865504, 79831880, 127731008, 159663760, 255462016, 319327520, 638655040, 1277310080]

約数ペア:

[(1, 1277310080), (2, 638655040), (4, 319327520), (5, 255462016), (8, 159663760), (10, 127731008), (16, 79831880), (20, 63865504), (32, 39915940), (40, 31932752), (64, 19957970), (80, 15966376), (128, 9978985), (160, 7983188), (320, 3991594), (640, 1995797)]