84179720

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{12911}}^1$

素因数の和:13085

約数の個数: 32

約数和(自身を含む): 190581120

約数和(自身を除く): 106401400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 12911, 25822, 51644, 64555, 103288, 129110, 258220, 516440, 2104493, 4208986, 8417972, 10522465, 16835944, 21044930, 42089860, 84179720]

約数ペア:

[(1, 84179720), (2, 42089860), (4, 21044930), (5, 16835944), (8, 10522465), (10, 8417972), (20, 4208986), (40, 2104493), (163, 516440), (326, 258220), (652, 129110), (815, 103288), (1304, 64555), (1630, 51644), (3260, 25822), (6520, 12911)]