25945120

素因数分解:

$2^5\times 5^1\times {\mathrm{167}}^1\times {\mathrm{971}}^1$

素因数の和:1153

約数の個数: 48

約数和(自身を含む): 61725888

約数和(自身を除く): 35780768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 167, 334, 668, 835, 971, 1336, 1670, 1942, 2672, 3340, 3884, 4855, 5344, 6680, 7768, 9710, 13360, 15536, 19420, 26720, 31072, 38840, 77680, 155360, 162157, 324314, 648628, 810785, 1297256, 1621570, 2594512, 3243140, 5189024, 6486280, 12972560, 25945120]

約数ペア:

[(1, 25945120), (2, 12972560), (4, 6486280), (5, 5189024), (8, 3243140), (10, 2594512), (16, 1621570), (20, 1297256), (32, 810785), (40, 648628), (80, 324314), (160, 162157), (167, 155360), (334, 77680), (668, 38840), (835, 31072), (971, 26720), (1336, 19420), (1670, 15536), (1942, 13360), (2672, 9710), (3340, 7768), (3884, 6680), (4855, 5344)]