87527620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{617}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 189686448

約数和(自身を除く): 102158828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 173, 205, 346, 410, 617, 692, 820, 865, 1234, 1730, 2468, 3085, 3460, 6170, 7093, 12340, 14186, 25297, 28372, 35465, 50594, 70930, 101188, 106741, 126485, 141860, 213482, 252970, 426964, 505940, 533705, 1067410, 2134820, 4376381, 8752762, 17505524, 21881905, 43763810, 87527620]

約数ペア:

[(1, 87527620), (2, 43763810), (4, 21881905), (5, 17505524), (10, 8752762), (20, 4376381), (41, 2134820), (82, 1067410), (164, 533705), (173, 505940), (205, 426964), (346, 252970), (410, 213482), (617, 141860), (692, 126485), (820, 106741), (865, 101188), (1234, 70930), (1730, 50594), (2468, 35465), (3085, 28372), (3460, 25297), (6170, 14186), (7093, 12340)]