9281720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{33149}}^1$

素因数の和:33167

約数の個数: 32

約数和(自身を含む): 23868000

約数和(自身を除く): 14586280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 33149, 66298, 132596, 165745, 232043, 265192, 331490, 464086, 662980, 928172, 1160215, 1325960, 1856344, 2320430, 4640860, 9281720]

約数ペア:

[(1, 9281720), (2, 4640860), (4, 2320430), (5, 1856344), (7, 1325960), (8, 1160215), (10, 928172), (14, 662980), (20, 464086), (28, 331490), (35, 265192), (40, 232043), (56, 165745), (70, 132596), (140, 66298), (280, 33149)]