155294080

素因数分解:

$2^7\times 5^1\times {\mathrm{242647}}^1$

素因数の和:242666

約数の個数: 32

約数和(自身を含む): 371251440

約数和(自身を除く): 215957360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 242647, 485294, 970588, 1213235, 1941176, 2426470, 3882352, 4852940, 7764704, 9705880, 15529408, 19411760, 31058816, 38823520, 77647040, 155294080]

約数ペア:

[(1, 155294080), (2, 77647040), (4, 38823520), (5, 31058816), (8, 19411760), (10, 15529408), (16, 9705880), (20, 7764704), (32, 4852940), (40, 3882352), (64, 2426470), (80, 1941176), (128, 1213235), (160, 970588), (320, 485294), (640, 242647)]