80209836

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4483}}^1$

素因数の和:4571

約数の個数: 72

約数和(自身を含む): 235033344

約数和(自身を除く): 154823508

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 213, 252, 284, 426, 497, 639, 852, 994, 1278, 1491, 1988, 2556, 2982, 4473, 4483, 5964, 8946, 8966, 13449, 17892, 17932, 26898, 31381, 40347, 53796, 62762, 80694, 94143, 125524, 161388, 188286, 282429, 318293, 376572, 564858, 636586, 954879, 1129716, 1273172, 1909758, 2228051, 2864637, 3819516, 4456102, 5729274, 6684153, 8912204, 11458548, 13368306, 20052459, 26736612, 40104918, 80209836]

約数ペア:

[(1, 80209836), (2, 40104918), (3, 26736612), (4, 20052459), (6, 13368306), (7, 11458548), (9, 8912204), (12, 6684153), (14, 5729274), (18, 4456102), (21, 3819516), (28, 2864637), (36, 2228051), (42, 1909758), (63, 1273172), (71, 1129716), (84, 954879), (126, 636586), (142, 564858), (213, 376572), (252, 318293), (284, 282429), (426, 188286), (497, 161388), (639, 125524), (852, 94143), (994, 80694), (1278, 62762), (1491, 53796), (1988, 40347), (2556, 31381), (2982, 26898), (4473, 17932), (4483, 17892), (5964, 13449), (8946, 8966)]