51880520

素因数分解:

$2^3\times 5^1\times {\mathrm{1297013}}^1$

素因数の和:1297024

約数の個数: 16

約数和(自身を含む): 116731260

約数和(自身を除く): 64850740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1297013, 2594026, 5188052, 6485065, 10376104, 12970130, 25940260, 51880520]

約数ペア:

[(1, 51880520), (2, 25940260), (4, 12970130), (5, 10376104), (8, 6485065), (10, 5188052), (20, 2594026), (40, 1297013)]