2051250080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{105953}}^1$

素因数の和:105990

約数の個数: 72

約数和(自身を含む): 5326731396

約数和(自身を除く): 3275481316

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4840, 9680, 19360, 105953, 211906, 423812, 529765, 847624, 1059530, 1165483, 1695248, 2119060, 2330966, 3390496, 4238120, 4661932, 5827415, 8476240, 9323864, 11654830, 12820313, 16952480, 18647728, 23309660, 25640626, 37295456, 46619320, 51281252, 64101565, 93238640, 102562504, 128203130, 186477280, 205125008, 256406260, 410250016, 512812520, 1025625040, 2051250080]

約数ペア:

[(1, 2051250080), (2, 1025625040), (4, 512812520), (5, 410250016), (8, 256406260), (10, 205125008), (11, 186477280), (16, 128203130), (20, 102562504), (22, 93238640), (32, 64101565), (40, 51281252), (44, 46619320), (55, 37295456), (80, 25640626), (88, 23309660), (110, 18647728), (121, 16952480), (160, 12820313), (176, 11654830), (220, 9323864), (242, 8476240), (352, 5827415), (440, 4661932), (484, 4238120), (605, 3390496), (880, 2330966), (968, 2119060), (1210, 1695248), (1760, 1165483), (1936, 1059530), (2420, 847624), (3872, 529765), (4840, 423812), (9680, 211906), (19360, 105953)]