27360380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 61236000

約数和(自身を除く): 33875620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 809, 890, 1618, 1691, 1780, 3236, 3382, 4045, 6764, 8090, 8455, 15371, 16180, 16910, 30742, 33820, 61484, 72001, 76855, 144002, 153710, 288004, 307420, 360005, 720010, 1368019, 1440020, 2736038, 5472076, 6840095, 13680190, 27360380]

約数ペア:

[(1, 27360380), (2, 13680190), (4, 6840095), (5, 5472076), (10, 2736038), (19, 1440020), (20, 1368019), (38, 720010), (76, 360005), (89, 307420), (95, 288004), (178, 153710), (190, 144002), (356, 76855), (380, 72001), (445, 61484), (809, 33820), (890, 30742), (1618, 16910), (1691, 16180), (1780, 15371), (3236, 8455), (3382, 8090), (4045, 6764)]