72080210

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{80989}}^1$

素因数の和:81085

約数の個数: 16

約数和(自身を含む): 131203800

約数和(自身を除く): 59123590

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 80989, 161978, 404945, 809890, 7208021, 14416042, 36040105, 72080210]

約数ペア:

[(1, 72080210), (2, 36040105), (5, 14416042), (10, 7208021), (89, 809890), (178, 404945), (445, 161978), (890, 80989)]