25070020

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{6299}}^1$

素因数の和:6507

約数の個数: 24

約数和(自身を含む): 52920000

約数和(自身を除く): 27849980

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 6299, 12598, 25196, 31495, 62990, 125980, 1253501, 2507002, 5014004, 6267505, 12535010, 25070020]

約数ペア:

[(1, 25070020), (2, 12535010), (4, 6267505), (5, 5014004), (10, 2507002), (20, 1253501), (199, 125980), (398, 62990), (796, 31495), (995, 25196), (1990, 12598), (3980, 6299)]