2487920

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:377

約数の個数: 40

約数和(自身を含む): 5852304

約数和(自身を除く): 3364384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 227, 274, 454, 548, 685, 908, 1096, 1135, 1370, 1816, 2192, 2270, 2740, 3632, 4540, 5480, 9080, 10960, 18160, 31099, 62198, 124396, 155495, 248792, 310990, 497584, 621980, 1243960, 2487920]

約数ペア:

[(1, 2487920), (2, 1243960), (4, 621980), (5, 497584), (8, 310990), (10, 248792), (16, 155495), (20, 124396), (40, 62198), (80, 31099), (137, 18160), (227, 10960), (274, 9080), (454, 5480), (548, 4540), (685, 3632), (908, 2740), (1096, 2270), (1135, 2192), (1370, 1816)]