25231120

素因数分解:

$2^4\times 5^1\times {\mathrm{315389}}^1$

素因数の和:315402

約数の個数: 20

約数和(自身を含む): 58662540

約数和(自身を除く): 33431420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 315389, 630778, 1261556, 1576945, 2523112, 3153890, 5046224, 6307780, 12615560, 25231120]

約数ペア:

[(1, 25231120), (2, 12615560), (4, 6307780), (5, 5046224), (8, 3153890), (10, 2523112), (16, 1576945), (20, 1261556), (40, 630778), (80, 315389)]