28289020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83203}}^1$

素因数の和:83229

約数の個数: 24

約数和(自身を含む): 62902224

約数和(自身を除く): 34613204

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 83203, 166406, 332812, 416015, 832030, 1414451, 1664060, 2828902, 5657804, 7072255, 14144510, 28289020]

約数ペア:

[(1, 28289020), (2, 14144510), (4, 7072255), (5, 5657804), (10, 2828902), (17, 1664060), (20, 1414451), (34, 832030), (68, 416015), (85, 332812), (170, 166406), (340, 83203)]