260028520

素因数分解:

$2^3\times 5^1\times {\mathrm{853}}^1\times {\mathrm{7621}}^1$

素因数の和:8485

約数の個数: 32

約数和(自身を含む): 585826920

約数和(自身を除く): 325798400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 853, 1706, 3412, 4265, 6824, 7621, 8530, 15242, 17060, 30484, 34120, 38105, 60968, 76210, 152420, 304840, 6500713, 13001426, 26002852, 32503565, 52005704, 65007130, 130014260, 260028520]

約数ペア:

[(1, 260028520), (2, 130014260), (4, 65007130), (5, 52005704), (8, 32503565), (10, 26002852), (20, 13001426), (40, 6500713), (853, 304840), (1706, 152420), (3412, 76210), (4265, 60968), (6824, 38105), (7621, 34120), (8530, 30484), (15242, 17060)]