205040440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{16069}}^1$

素因数の和:16120

約数の個数: 64

約数和(自身を含む): 520668000

約数和(自身を除く): 315627560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2552, 3190, 6380, 12760, 16069, 32138, 64276, 80345, 128552, 160690, 176759, 321380, 353518, 466001, 642760, 707036, 883795, 932002, 1414072, 1767590, 1864004, 2330005, 3535180, 3728008, 4660010, 5126011, 7070360, 9320020, 10252022, 18640040, 20504044, 25630055, 41008088, 51260110, 102520220, 205040440]

約数ペア:

[(1, 205040440), (2, 102520220), (4, 51260110), (5, 41008088), (8, 25630055), (10, 20504044), (11, 18640040), (20, 10252022), (22, 9320020), (29, 7070360), (40, 5126011), (44, 4660010), (55, 3728008), (58, 3535180), (88, 2330005), (110, 1864004), (116, 1767590), (145, 1414072), (220, 932002), (232, 883795), (290, 707036), (319, 642760), (440, 466001), (580, 353518), (638, 321380), (1160, 176759), (1276, 160690), (1595, 128552), (2552, 80345), (3190, 64276), (6380, 32138), (12760, 16069)]