39952820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2237}}^1$

素因数の和:2312

約数の個数: 48

約数和(自身を含む): 90236160

約数和(自身を除く): 50283340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1786, 2237, 3572, 4465, 4474, 8930, 8948, 11185, 17860, 22370, 42503, 44740, 85006, 105139, 170012, 210278, 212515, 420556, 425030, 525695, 850060, 1051390, 1997641, 2102780, 3995282, 7990564, 9988205, 19976410, 39952820]

約数ペア:

[(1, 39952820), (2, 19976410), (4, 9988205), (5, 7990564), (10, 3995282), (19, 2102780), (20, 1997641), (38, 1051390), (47, 850060), (76, 525695), (94, 425030), (95, 420556), (188, 212515), (190, 210278), (235, 170012), (380, 105139), (470, 85006), (893, 44740), (940, 42503), (1786, 22370), (2237, 17860), (3572, 11185), (4465, 8948), (4474, 8930)]