86428520

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{6121}}^1$

素因数の和:6485

約数の個数: 32

約数和(自身を含む): 195046920

約数和(自身を除く): 108618400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 6121, 7060, 12242, 14120, 24484, 30605, 48968, 61210, 122420, 244840, 2160713, 4321426, 8642852, 10803565, 17285704, 21607130, 43214260, 86428520]

約数ペア:

[(1, 86428520), (2, 43214260), (4, 21607130), (5, 17285704), (8, 10803565), (10, 8642852), (20, 4321426), (40, 2160713), (353, 244840), (706, 122420), (1412, 61210), (1765, 48968), (2824, 30605), (3530, 24484), (6121, 14120), (7060, 12242)]