157024760

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{19927}}^1$

素因数の和:20135

約数の個数: 32

約数和(自身を含む): 355116960

約数和(自身を除く): 198092200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 19927, 39854, 79708, 99635, 159416, 199270, 398540, 797080, 3925619, 7851238, 15702476, 19628095, 31404952, 39256190, 78512380, 157024760]

約数ペア:

[(1, 157024760), (2, 78512380), (4, 39256190), (5, 31404952), (8, 19628095), (10, 15702476), (20, 7851238), (40, 3925619), (197, 797080), (394, 398540), (788, 199270), (985, 159416), (1576, 99635), (1970, 79708), (3940, 39854), (7880, 19927)]