7280260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28001}}^1$

素因数の和:28023

約数の個数: 24

約数和(自身を含む): 16465176

約数和(自身を除く): 9184916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 28001, 56002, 112004, 140005, 280010, 364013, 560020, 728026, 1456052, 1820065, 3640130, 7280260]

約数ペア:

[(1, 7280260), (2, 3640130), (4, 1820065), (5, 1456052), (10, 728026), (13, 560020), (20, 364013), (26, 280010), (52, 140005), (65, 112004), (130, 56002), (260, 28001)]