28508720

素因数分解:

$2^4\times 5^1\times {\mathrm{433}}^1\times {\mathrm{823}}^1$

素因数の和:1269

約数の個数: 40

約数和(自身を含む): 66516576

約数和(自身を除く): 38007856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 433, 823, 866, 1646, 1732, 2165, 3292, 3464, 4115, 4330, 6584, 6928, 8230, 8660, 13168, 16460, 17320, 32920, 34640, 65840, 356359, 712718, 1425436, 1781795, 2850872, 3563590, 5701744, 7127180, 14254360, 28508720]

約数ペア:

[(1, 28508720), (2, 14254360), (4, 7127180), (5, 5701744), (8, 3563590), (10, 2850872), (16, 1781795), (20, 1425436), (40, 712718), (80, 356359), (433, 65840), (823, 34640), (866, 32920), (1646, 17320), (1732, 16460), (2165, 13168), (3292, 8660), (3464, 8230), (4115, 6928), (4330, 6584)]