187169720

素因数分解:

$2^3\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{4583}}^1$

素因数の和:5615

約数の個数: 32

約数和(自身を含む): 421636320

約数和(自身を除く): 234466600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1021, 2042, 4084, 4583, 5105, 8168, 9166, 10210, 18332, 20420, 22915, 36664, 40840, 45830, 91660, 183320, 4679243, 9358486, 18716972, 23396215, 37433944, 46792430, 93584860, 187169720]

約数ペア:

[(1, 187169720), (2, 93584860), (4, 46792430), (5, 37433944), (8, 23396215), (10, 18716972), (20, 9358486), (40, 4679243), (1021, 183320), (2042, 91660), (4084, 45830), (4583, 40840), (5105, 36664), (8168, 22915), (9166, 20420), (10210, 18332)]