28580485

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 9521915

約数列:

[1, 5, 17, 41, 59, 85, 139, 205, 295, 695, 697, 1003, 2363, 2419, 3485, 5015, 5699, 8201, 11815, 12095, 28495, 41005, 41123, 96883, 139417, 205615, 336241, 484415, 697085, 1681205, 5716097, 28580485]

約数ペア:

[(1, 28580485), (5, 5716097), (17, 1681205), (41, 697085), (59, 484415), (85, 336241), (139, 205615), (205, 139417), (295, 96883), (695, 41123), (697, 41005), (1003, 28495), (2363, 12095), (2419, 11815), (3485, 8201), (5015, 5699)]