8726120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 21485520

約数和(自身を除く): 12759400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 173, 194, 260, 346, 388, 485, 520, 692, 776, 865, 970, 1261, 1384, 1730, 1940, 2249, 2522, 3460, 3880, 4498, 5044, 6305, 6920, 8996, 10088, 11245, 12610, 16781, 17992, 22490, 25220, 33562, 44980, 50440, 67124, 83905, 89960, 134248, 167810, 218153, 335620, 436306, 671240, 872612, 1090765, 1745224, 2181530, 4363060, 8726120]

約数ペア:

[(1, 8726120), (2, 4363060), (4, 2181530), (5, 1745224), (8, 1090765), (10, 872612), (13, 671240), (20, 436306), (26, 335620), (40, 218153), (52, 167810), (65, 134248), (97, 89960), (104, 83905), (130, 67124), (173, 50440), (194, 44980), (260, 33562), (346, 25220), (388, 22490), (485, 17992), (520, 16781), (692, 12610), (776, 11245), (865, 10088), (970, 8996), (1261, 6920), (1384, 6305), (1730, 5044), (1940, 4498), (2249, 3880), (2522, 3460)]