205960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 489600

約数和(自身を除く): 283640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 271, 380, 542, 760, 1084, 1355, 2168, 2710, 5149, 5420, 10298, 10840, 20596, 25745, 41192, 51490, 102980, 205960]

約数ペア:

[(1, 205960), (2, 102980), (4, 51490), (5, 41192), (8, 25745), (10, 20596), (19, 10840), (20, 10298), (38, 5420), (40, 5149), (76, 2710), (95, 2168), (152, 1355), (190, 1084), (271, 760), (380, 542)]