64471780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 139781376

約数和(自身を除く): 75309596

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 107, 188, 214, 235, 428, 470, 535, 641, 940, 1070, 1282, 2140, 2564, 3205, 5029, 6410, 10058, 12820, 20116, 25145, 30127, 50290, 60254, 68587, 100580, 120508, 137174, 150635, 274348, 301270, 342935, 602540, 685870, 1371740, 3223589, 6447178, 12894356, 16117945, 32235890, 64471780]

約数ペア:

[(1, 64471780), (2, 32235890), (4, 16117945), (5, 12894356), (10, 6447178), (20, 3223589), (47, 1371740), (94, 685870), (107, 602540), (188, 342935), (214, 301270), (235, 274348), (428, 150635), (470, 137174), (535, 120508), (641, 100580), (940, 68587), (1070, 60254), (1282, 50290), (2140, 30127), (2564, 25145), (3205, 20116), (5029, 12820), (6410, 10058)]