129615040

素因数分解:

$2^6\times 5^1\times {\mathrm{405047}}^1$

素因数の和:405064

約数の個数: 28

約数和(自身を含む): 308646576

約数和(自身を除く): 179031536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 405047, 810094, 1620188, 2025235, 3240376, 4050470, 6480752, 8100940, 12961504, 16201880, 25923008, 32403760, 64807520, 129615040]

約数ペア:

[(1, 129615040), (2, 64807520), (4, 32403760), (5, 25923008), (8, 16201880), (10, 12961504), (16, 8100940), (20, 6480752), (32, 4050470), (40, 3240376), (64, 2025235), (80, 1620188), (160, 810094), (320, 405047)]