28138010

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{39631}}^1$

素因数の和:39709

約数の個数: 16

約数和(自身を含む): 51363072

約数和(自身を除く): 23225062

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 39631, 79262, 198155, 396310, 2813801, 5627602, 14069005, 28138010]

約数ペア:

[(1, 28138010), (2, 14069005), (5, 5627602), (10, 2813801), (71, 396310), (142, 198155), (355, 79262), (710, 39631)]