28740020

素因数分解:

$2^2\times 5^1\times {\mathrm{599}}^1\times {\mathrm{2399}}^1$

素因数の和:3007

約数の個数: 24

約数和(自身を含む): 60480000

約数和(自身を除く): 31739980

約数列:

[1, 2, 4, 5, 10, 20, 599, 1198, 2396, 2399, 2995, 4798, 5990, 9596, 11980, 11995, 23990, 47980, 1437001, 2874002, 5748004, 7185005, 14370010, 28740020]

約数ペア:

[(1, 28740020), (2, 14370010), (4, 7185005), (5, 5748004), (10, 2874002), (20, 1437001), (599, 47980), (1198, 23990), (2396, 11995), (2399, 11980), (2995, 9596), (4798, 5990)]