25394020

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{7603}}^1$

素因数の和:7779

約数の個数: 24

約数和(自身を含む): 53653824

約数和(自身を除く): 28259804

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 7603, 15206, 30412, 38015, 76030, 152060, 1269701, 2539402, 5078804, 6348505, 12697010, 25394020]

約数ペア:

[(1, 25394020), (2, 12697010), (4, 6348505), (5, 5078804), (10, 2539402), (20, 1269701), (167, 152060), (334, 76030), (668, 38015), (835, 30412), (1670, 15206), (3340, 7603)]