1820871567340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13006225481}}^1$

素因数の和:13006225497

約数の個数: 24

約数和(自身を含む): 4370091761952

約数和(自身を除く): 2549220194612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 13006225481, 26012450962, 52024901924, 65031127405, 91043578367, 130062254810, 182087156734, 260124509620, 364174313468, 455217891835, 910435783670, 1820871567340]

約数ペア:

[(1, 1820871567340), (2, 910435783670), (4, 455217891835), (5, 364174313468), (7, 260124509620), (10, 182087156734), (14, 130062254810), (20, 91043578367), (28, 65031127405), (35, 52024901924), (70, 26012450962), (140, 13006225481)]