130813120

素因数分解:

$2^6\times 5^1\times {\mathrm{421}}^1\times {\mathrm{971}}^1$

素因数の和:1409

約数の個数: 56

約数和(自身を含む): 312560208

約数和(自身を除く): 181747088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 421, 842, 971, 1684, 1942, 2105, 3368, 3884, 4210, 4855, 6736, 7768, 8420, 9710, 13472, 15536, 16840, 19420, 26944, 31072, 33680, 38840, 62144, 67360, 77680, 134720, 155360, 310720, 408791, 817582, 1635164, 2043955, 3270328, 4087910, 6540656, 8175820, 13081312, 16351640, 26162624, 32703280, 65406560, 130813120]

約数ペア:

[(1, 130813120), (2, 65406560), (4, 32703280), (5, 26162624), (8, 16351640), (10, 13081312), (16, 8175820), (20, 6540656), (32, 4087910), (40, 3270328), (64, 2043955), (80, 1635164), (160, 817582), (320, 408791), (421, 310720), (842, 155360), (971, 134720), (1684, 77680), (1942, 67360), (2105, 62144), (3368, 38840), (3884, 33680), (4210, 31072), (4855, 26944), (6736, 19420), (7768, 16840), (8420, 15536), (9710, 13472)]