51890240

素因数分解:

$2^6\times 5^1\times {\mathrm{167}}^1\times {\mathrm{971}}^1$

素因数の和:1155

約数の個数: 56

約数和(自身を含む): 124431552

約数和(自身を除く): 72541312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 167, 320, 334, 668, 835, 971, 1336, 1670, 1942, 2672, 3340, 3884, 4855, 5344, 6680, 7768, 9710, 10688, 13360, 15536, 19420, 26720, 31072, 38840, 53440, 62144, 77680, 155360, 162157, 310720, 324314, 648628, 810785, 1297256, 1621570, 2594512, 3243140, 5189024, 6486280, 10378048, 12972560, 25945120, 51890240]

約数ペア:

[(1, 51890240), (2, 25945120), (4, 12972560), (5, 10378048), (8, 6486280), (10, 5189024), (16, 3243140), (20, 2594512), (32, 1621570), (40, 1297256), (64, 810785), (80, 648628), (160, 324314), (167, 310720), (320, 162157), (334, 155360), (668, 77680), (835, 62144), (971, 53440), (1336, 38840), (1670, 31072), (1942, 26720), (2672, 19420), (3340, 15536), (3884, 13360), (4855, 10688), (5344, 9710), (6680, 7768)]