25431160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20509}}^1$

素因数の和:20551

約数の個数: 32

約数和(自身を含む): 59068800

約数和(自身を除く): 33637640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 20509, 41018, 82036, 102545, 164072, 205090, 410180, 635779, 820360, 1271558, 2543116, 3178895, 5086232, 6357790, 12715580, 25431160]

約数ペア:

[(1, 25431160), (2, 12715580), (4, 6357790), (5, 5086232), (8, 3178895), (10, 2543116), (20, 1271558), (31, 820360), (40, 635779), (62, 410180), (124, 205090), (155, 164072), (248, 102545), (310, 82036), (620, 41018), (1240, 20509)]