201539720

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{30911}}^1$

素因数の和:31085

約数の個数: 32

約数和(自身を含む): 456261120

約数和(自身を除く): 254721400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 30911, 61822, 123644, 154555, 247288, 309110, 618220, 1236440, 5038493, 10076986, 20153972, 25192465, 40307944, 50384930, 100769860, 201539720]

約数ペア:

[(1, 201539720), (2, 100769860), (4, 50384930), (5, 40307944), (8, 25192465), (10, 20153972), (20, 10076986), (40, 5038493), (163, 1236440), (326, 618220), (652, 309110), (815, 247288), (1304, 154555), (1630, 123644), (3260, 61822), (6520, 30911)]