25543820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31151}}^1$

素因数の和:31201

約数の個数: 24

約数和(自身を含む): 54952128

約数和(自身を除く): 29408308

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 31151, 62302, 124604, 155755, 311510, 623020, 1277191, 2554382, 5108764, 6385955, 12771910, 25543820]

約数ペア:

[(1, 25543820), (2, 12771910), (4, 6385955), (5, 5108764), (10, 2554382), (20, 1277191), (41, 623020), (82, 311510), (164, 155755), (205, 124604), (410, 62302), (820, 31151)]