201739760

素因数分解:

$2^4\times 5^1\times {\mathrm{2521747}}^1$

素因数の和:2521760

約数の個数: 20

約数和(自身を含む): 469045128

約数和(自身を除く): 267305368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2521747, 5043494, 10086988, 12608735, 20173976, 25217470, 40347952, 50434940, 100869880, 201739760]

約数ペア:

[(1, 201739760), (2, 100869880), (4, 50434940), (5, 40347952), (8, 25217470), (10, 20173976), (16, 12608735), (20, 10086988), (40, 5043494), (80, 2521747)]