169520720

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{31627}}^1$

素因数の和:31707

約数の個数: 40

約数和(自身を含む): 400030944

約数和(自身を除く): 230510224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 31627, 63254, 126508, 158135, 253016, 316270, 506032, 632540, 1265080, 2119009, 2530160, 4238018, 8476036, 10595045, 16952072, 21190090, 33904144, 42380180, 84760360, 169520720]

約数ペア:

[(1, 169520720), (2, 84760360), (4, 42380180), (5, 33904144), (8, 21190090), (10, 16952072), (16, 10595045), (20, 8476036), (40, 4238018), (67, 2530160), (80, 2119009), (134, 1265080), (268, 632540), (335, 506032), (536, 316270), (670, 253016), (1072, 158135), (1340, 126508), (2680, 63254), (5360, 31627)]