219294080

素因数分解:

$2^7\times 5^1\times {\mathrm{342647}}^1$

素因数の和:342666

約数の個数: 32

約数和(自身を含む): 524251440

約数和(自身を除く): 304957360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 342647, 685294, 1370588, 1713235, 2741176, 3426470, 5482352, 6852940, 10964704, 13705880, 21929408, 27411760, 43858816, 54823520, 109647040, 219294080]

約数ペア:

[(1, 219294080), (2, 109647040), (4, 54823520), (5, 43858816), (8, 27411760), (10, 21929408), (16, 13705880), (20, 10964704), (32, 6852940), (40, 5482352), (64, 3426470), (80, 2741176), (128, 1713235), (160, 1370588), (320, 685294), (640, 342647)]