25098890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28201}}^1$

素因数の和:28297

約数の個数: 16

約数和(自身を含む): 45687240

約数和(自身を除く): 20588350

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 28201, 56402, 141005, 282010, 2509889, 5019778, 12549445, 25098890]

約数ペア:

[(1, 25098890), (2, 12549445), (5, 5019778), (10, 2509889), (89, 282010), (178, 141005), (445, 56402), (890, 28201)]