2127156520

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{326251}}^1$

素因数の和:326425

約数の個数: 32

約数和(自身を含む): 4815479520

約数和(自身を除く): 2688323000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 326251, 652502, 1305004, 1631255, 2610008, 3262510, 6525020, 13050040, 53178913, 106357826, 212715652, 265894565, 425431304, 531789130, 1063578260, 2127156520]

約数ペア:

[(1, 2127156520), (2, 1063578260), (4, 531789130), (5, 425431304), (8, 265894565), (10, 212715652), (20, 106357826), (40, 53178913), (163, 13050040), (326, 6525020), (652, 3262510), (815, 2610008), (1304, 1631255), (1630, 1305004), (3260, 652502), (6520, 326251)]