25900640

素因数分解:

$2^5\times 5^1\times {\mathrm{161879}}^1$

素因数の和:161894

約数の個数: 24

約数和(自身を含む): 61190640

約数和(自身を除く): 35290000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 161879, 323758, 647516, 809395, 1295032, 1618790, 2590064, 3237580, 5180128, 6475160, 12950320, 25900640]

約数ペア:

[(1, 25900640), (2, 12950320), (4, 6475160), (5, 5180128), (8, 3237580), (10, 2590064), (16, 1618790), (20, 1295032), (32, 809395), (40, 647516), (80, 323758), (160, 161879)]