28520485

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{28099}}^1$

素因数の和:28140

約数の個数: 16

約数和(自身を含む): 40464000

約数和(自身を除く): 11943515

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 28099, 140495, 196693, 814871, 983465, 4074355, 5704097, 28520485]

約数ペア:

[(1, 28520485), (5, 5704097), (7, 4074355), (29, 983465), (35, 814871), (145, 196693), (203, 140495), (1015, 28099)]