187839280

素因数分解:

$2^4\times 5^1\times {\mathrm{2347991}}^1$

素因数の和:2348004

約数の個数: 20

約数和(自身を含む): 436726512

約数和(自身を除く): 248887232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2347991, 4695982, 9391964, 11739955, 18783928, 23479910, 37567856, 46959820, 93919640, 187839280]

約数ペア:

[(1, 187839280), (2, 93919640), (4, 46959820), (5, 37567856), (8, 23479910), (10, 18783928), (16, 11739955), (20, 9391964), (40, 4695982), (80, 2347991)]