2019732520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{298777}}^1$

素因数の和:298814

約数の個数: 48

約数和(自身を含む): 4920873660

約数和(自身を除く): 2901141140

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 298777, 597554, 1195108, 1493885, 2390216, 2987770, 3884101, 5975540, 7768202, 11951080, 15536404, 19420505, 31072808, 38841010, 50493313, 77682020, 100986626, 155364040, 201973252, 252466565, 403946504, 504933130, 1009866260, 2019732520]

約数ペア:

[(1, 2019732520), (2, 1009866260), (4, 504933130), (5, 403946504), (8, 252466565), (10, 201973252), (13, 155364040), (20, 100986626), (26, 77682020), (40, 50493313), (52, 38841010), (65, 31072808), (104, 19420505), (130, 15536404), (169, 11951080), (260, 7768202), (338, 5975540), (520, 3884101), (676, 2987770), (845, 2390216), (1352, 1493885), (1690, 1195108), (3380, 597554), (6760, 298777)]