26335660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{509}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 59976000

約数和(自身を除く): 33640340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 509, 796, 995, 1018, 1990, 2036, 2545, 2587, 3980, 5090, 5174, 6617, 10180, 10348, 12935, 13234, 25870, 26468, 33085, 51740, 66170, 101291, 132340, 202582, 405164, 506455, 1012910, 1316783, 2025820, 2633566, 5267132, 6583915, 13167830, 26335660]

約数ペア:

[(1, 26335660), (2, 13167830), (4, 6583915), (5, 5267132), (10, 2633566), (13, 2025820), (20, 1316783), (26, 1012910), (52, 506455), (65, 405164), (130, 202582), (199, 132340), (260, 101291), (398, 66170), (509, 51740), (796, 33085), (995, 26468), (1018, 25870), (1990, 13234), (2036, 12935), (2545, 10348), (2587, 10180), (3980, 6617), (5090, 5174)]