6491920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4271}}^1$

素因数の和:4303

約数の個数: 40

約数和(自身を含む): 15891840

約数和(自身を除く): 9399920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 4271, 8542, 17084, 21355, 34168, 42710, 68336, 81149, 85420, 162298, 170840, 324596, 341680, 405745, 649192, 811490, 1298384, 1622980, 3245960, 6491920]

約数ペア:

[(1, 6491920), (2, 3245960), (4, 1622980), (5, 1298384), (8, 811490), (10, 649192), (16, 405745), (19, 341680), (20, 324596), (38, 170840), (40, 162298), (76, 85420), (80, 81149), (95, 68336), (152, 42710), (190, 34168), (304, 21355), (380, 17084), (760, 8542), (1520, 4271)]