204800515

素因数分解:

$5^1\times {\mathrm{139}}^1\times {\mathrm{467}}^1\times {\mathrm{631}}^1$

素因数の和:1242

約数の個数: 16

約数和(自身を含む): 248451840

約数和(自身を除く): 43651325

約数列:

[1, 5, 139, 467, 631, 695, 2335, 3155, 64913, 87709, 294677, 324565, 438545, 1473385, 40960103, 204800515]

約数ペア:

[(1, 204800515), (5, 40960103), (139, 1473385), (467, 438545), (631, 324565), (695, 294677), (2335, 87709), (3155, 64913)]